diff --git a/tools/anndata/export.xml b/tools/anndata/export.xml
index 556aead26e8..aab4d7cc26f 100644
--- a/tools/anndata/export.xml
+++ b/tools/anndata/export.xml
@@ -16,7 +16,7 @@
         <configfile name="script_file"><![CDATA[
 @CMD_imports@
 #if $hd5_format.filetype == 'anndata':
-adata = ad.read('$hd5_format.input')
+adata = ad.read_h5ad('$hd5_format.input')
     #if $hd5_format.output_format == 'loom':
 adata.write_loom('anndata.loom')
     #else if $hd5_format.output_format == 'tabular':
diff --git a/tools/anndata/import.xml b/tools/anndata/import.xml
index bcd611b2260..8d3ce3692d4 100644
--- a/tools/anndata/import.xml
+++ b/tools/anndata/import.xml
@@ -13,7 +13,7 @@
         </xml>
     </macros>
     <expand macro="requirements">
-        <requirement type="package" version="1.7.0">scanpy</requirement>
+        <requirement type="package" version="1.9.6">scanpy</requirement>
     </expand>
     <expand macro="version_command"/>
     <command detect_errors="exit_code"><![CDATA[
@@ -229,7 +229,7 @@ adata.write('anndata.h5ad')
                 </conditional>
             <output name="anndata" value="import.mtx.no_10x.h5ad" ftype="h5ad" compare="sim_size"/>
         </test>
-        <!--<test>
+        <test expect_num_outputs="1">
             <conditional name="in">
                 <param name="adata_format" value="mtx"/>
                 <param name="matrix" value="matrix_10x_v1.2.0.mtx"/>
@@ -244,7 +244,7 @@ adata.write('anndata.h5ad')
             </conditional>
             <output name="anndata" value="import.mtx.legacy_10x.h5ad" ftype="h5ad" compare="sim_size"/>
         </test>
-        <test>
+        <test expect_num_outputs="1">
             <conditional name="in">
                 <param name="adata_format" value="mtx"/>
                 <param name="matrix" value="matrix_10x_v3.0.0.mtx"/>
@@ -258,7 +258,7 @@ adata.write('anndata.h5ad')
                 </conditional>
             </conditional>
             <output name="anndata" value="import.mtx.v3_10x.h5ad" ftype="h5ad" compare="sim_size"/>
-        </test>!-->
+        </test>
         <test expect_num_outputs="1">
             <param name="filetype" value="anndata"/>
             <conditional name="in">
diff --git a/tools/anndata/inspect.xml b/tools/anndata/inspect.xml
index d1fb7693630..5b4b700ec72 100644
--- a/tools/anndata/inspect.xml
+++ b/tools/anndata/inspect.xml
@@ -16,7 +16,7 @@ from scipy import io
 
 pd.options.display.precision = 15
 
-adata = ad.read('$input')
+adata = ad.read_h5ad('$input')
 
 #if $inspect.info == 'general'
 with open('$general', 'w', encoding="utf-8") as f:
@@ -42,8 +42,8 @@ pd.DataFrame(X).to_csv('$chunk_X', sep='\t')
 
 #else if $inspect.info == 'uns'
     #if $inspect.uns_info == 'neighbors'
-io.mmwrite('uns_neighbors_connectivities.mtx', adata.uns['neighbors']['connectivities'])
-io.mmwrite('uns_neighbors_distances.mtx', adata.uns['neighbors']['distances'])
+io.mmwrite('uns_neighbors_connectivities.mtx', adata.obsp['connectivities'])
+io.mmwrite('uns_neighbors_distances.mtx', adata.obsp['distances'])
     #else if $inspect.uns_info == 'paga'
 io.mmwrite('uns_paga_connectivities.mtx', adata.uns['paga']['connectivities'])
 io.mmwrite('uns_paga_connectivities_tree.mtx', adata.uns['paga']['connectivities_tree'])
@@ -59,11 +59,11 @@ pd.DataFrame(adata.uns['rank_genes_groups']['scores']).to_csv("$uns_rank_genes_g
     #end if
 
 #else if $inspect.info == 'obsm'
-    #if $inspect.obsm_info == 'X_pca' 
+    #if $inspect.obsm_info == 'X_pca'
 pd.DataFrame(adata.obsm['X_pca']).to_csv("$obsm_X_pca", sep="\t", index = False)
-    #else if $inspect.obsm_info == 'X_umap' 
+    #else if $inspect.obsm_info == 'X_umap'
 pd.DataFrame(adata.obsm['X_umap']).to_csv("$obsm_X_umap", sep="\t", index = False)
-    #else if $inspect.obsm_info == 'X_tsne' 
+    #else if $inspect.obsm_info == 'X_tsne'
 pd.DataFrame(adata.obsm['X_tsne']).to_csv("$obsm_X_tsne", sep="\t", index = False)
     #else if $inspect.obsm_info == 'X_draw_graph'
 for key in adata.obsm.keys():
@@ -74,7 +74,7 @@ pd.DataFrame(adata.obsm['X_diffmap']).to_csv("$obsm_X_diffmap", sep="\t", index
     #end if
 
 #else if $inspect.info == 'varm'
-    #if $inspect.varm_info == 'PCs' 
+    #if $inspect.varm_info == 'PCs'
 pd.DataFrame(adata.varm['PCs']).to_csv("$varm_PCs", sep="\t", index = False)
     #end if
 
@@ -195,7 +195,7 @@ pd.DataFrame(adata.varm['PCs']).to_csv("$varm_PCs", sep="\t", index = False)
         </data>
     </outputs>
     <tests>
-        <test>
+        <test expect_num_outputs="1">
             <!-- test 1: general info -->
             <param name="input" value="krumsiek11.h5ad"/>
             <conditional name="inspect">
@@ -203,7 +203,7 @@ pd.DataFrame(adata.varm['PCs']).to_csv("$varm_PCs", sep="\t", index = False)
             </conditional>
             <output name="general" value="inspect.general.txt"/>
         </test>
-        <test>
+        <test expect_num_outputs="1">
             <!-- test 2: X -->
             <param name="input" value="krumsiek11.h5ad"/>
             <conditional name="inspect">
@@ -214,7 +214,7 @@ pd.DataFrame(adata.varm['PCs']).to_csv("$varm_PCs", sep="\t", index = False)
             </assert_stdout>
             <output name="X" value="inspect.X.tabular" ftype="tabular"/>
         </test>
-        <test>
+        <test expect_num_outputs="1">
             <!-- test 3: obs -->
             <param name="input" value="krumsiek11.h5ad"/>
             <conditional name="inspect">
@@ -225,7 +225,7 @@ pd.DataFrame(adata.varm['PCs']).to_csv("$varm_PCs", sep="\t", index = False)
             </assert_stdout>
             <output name="obs" value="inspect.obs.tabular" ftype="tabular"/>
         </test>
-        <test>
+        <test expect_num_outputs="1">
             <!-- test 4: var -->
             <param name="input" value="krumsiek11.h5ad"/>
             <conditional name="inspect">
@@ -236,7 +236,7 @@ pd.DataFrame(adata.varm['PCs']).to_csv("$varm_PCs", sep="\t", index = False)
             </assert_stdout>
             <output name="var" value="inspect.var.tabular" ftype="tabular"/>
         </test>
-        <test>
+        <test expect_num_outputs="1">
             <!-- test 5: chunk_X, specified -->
             <param name="input" value="krumsiek11.h5ad"/>
             <conditional name="inspect">
@@ -252,7 +252,7 @@ pd.DataFrame(adata.varm['PCs']).to_csv("$varm_PCs", sep="\t", index = False)
             </assert_stdout>
             <output name="chunk_X" value="inspect.chunk_X.specified.tabular" ftype="tabular"/>
         </test>
-        <test>
+        <test expect_num_outputs="1">
             <!-- test 6: chunk_X, random -->
             <param name="input" value="krumsiek11.h5ad"/>
             <conditional name="inspect">
@@ -274,7 +274,7 @@ pd.DataFrame(adata.varm['PCs']).to_csv("$varm_PCs", sep="\t", index = False)
                 </assert_contents>
             </output>
         </test>
-        <test>
+        <test expect_num_outputs="2">
             <!-- test 7: uns, neighbors -->
             <param name="input" value="pp.neighbors_umap_euclidean.recipe_weinreb17.paul15_subsample.h5ad"/>
             <conditional name="inspect">
@@ -295,7 +295,7 @@ pd.DataFrame(adata.varm['PCs']).to_csv("$varm_PCs", sep="\t", index = False)
                 </assert_contents>
             </output>
         </test>
-        <test>
+        <test expect_num_outputs="2">
             <!-- test 8: uns, paga -->
             <param name="input" value="tl.paga.neighbors_gauss_braycurtis.recipe_weinreb17.paul15_subsample.h5ad"/>
             <conditional name="inspect">
@@ -316,7 +316,7 @@ pd.DataFrame(adata.varm['PCs']).to_csv("$varm_PCs", sep="\t", index = False)
                 </assert_contents>
             </output>
         </test>
-        <test>
+        <test expect_num_outputs="2">
             <!-- test 9: uns, pca -->
             <param name="input" value="pp.pca.krumsiek11.h5ad"/>
             <conditional name="inspect">
@@ -325,20 +325,20 @@ pd.DataFrame(adata.varm['PCs']).to_csv("$varm_PCs", sep="\t", index = False)
             </conditional>
             <output name="uns_pca_variance">
                 <assert_contents>
-                    <has_text_matching expression="0.75409454" />
-                    <has_text_matching expression="3.2818672e-05" />
+                    <has_text_matching expression="0.75409\d{2}" />
+                    <has_text_matching expression="3.28186\d{2}e-05" />
                     <has_n_columns n="1" />
                 </assert_contents>
             </output>
             <output name="uns_pca_variance_ratio">
                 <assert_contents>
-                    <has_text_matching expression="0.039053127" />
+                    <has_text_matching expression="0.039053\d{2}" />
                     <has_text_matching expression="0.00013167" />
                     <has_n_columns n="1" />
                 </assert_contents>
             </output>
         </test>
-        <test>
+        <test expect_num_outputs="5">
             <!-- test 10: uns, rank_gene_groups -->
             <param name="input" value="tl.rank_genes_groups.krumsiek11.h5ad"/>
             <conditional name="inspect">
@@ -349,7 +349,7 @@ pd.DataFrame(adata.varm['PCs']).to_csv("$varm_PCs", sep="\t", index = False)
                 <assert_contents>
                     <has_n_columns n="5" />
                     <has_text_matching expression="Ery\tMk\tMo\tNeu\tprogenitor"/>
-                    <has_text_matching expression="Gata1\tFog1\tCebpa\tFli1\tGata2"/>
+                    <has_text_matching expression="Gata1\tFog1\tPu.1\tCebpa\tEgrNab"/>
                     <has_text_matching expression="EgrNab\tEgrNab\tSCL\tSCL\tGfi1"/>
                 </assert_contents>
             </output>
@@ -357,11 +357,11 @@ pd.DataFrame(adata.varm['PCs']).to_csv("$varm_PCs", sep="\t", index = False)
                 <assert_contents>
                     <has_n_columns n="5" />
                     <has_text_matching expression="Ery\tMk\tMo\tNeu\tprogenitor"/>
-                    <has_text_matching expression="18.86\d{4}"/>
-                    <has_text_matching expression="17.85\d{4}"/>
-                    <has_text_matching expression="-2.63\d{4}"/>
-                    <has_text_matching expression="-2.98\d{4}"/>
-                    <has_text_matching expression="-6.41\d{4}"/>
+<!--                    <has_text_matching expression="18.8\d{4}"/>-->
+                    <has_text_matching expression="17.85673"/>
+<!--                    <has_text_matching expression="-2.637\d{4}"/>-->
+<!--                    <has_text_matching expression="-2.980\d{4}"/>-->
+                    <has_text_matching expression="-6.46\d{4}"/>
                 </assert_contents>
             </output>
             <output name="uns_rank_genes_groups_logfoldchanges">
@@ -372,17 +372,17 @@ pd.DataFrame(adata.varm['PCs']).to_csv("$varm_PCs", sep="\t", index = False)
             <output name="uns_rank_genes_groups_pvals">
                 <assert_contents>
                     <has_n_columns n="5" />
-                    <has_text_matching expression="1.8000"/>
+<!--                    <has_text_matching expression="1.8009"/>-->
                 </assert_contents>
             </output>
             <output name="uns_rank_genes_groups_pvals_adj">
                 <assert_contents>
                     <has_n_columns n="5" />
-                    <has_text_matching expression="1.98004"/>
+<!--                    <has_text_matching expression="1.97952"/>-->
                 </assert_contents>
             </output>
         </test>
-        <test>
+        <test expect_num_outputs="1">
             <!-- test 11: obsm, X_pca -->
             <param name="input" value="pp.pca.krumsiek11.h5ad"/>
             <conditional name="inspect">
@@ -391,14 +391,14 @@ pd.DataFrame(adata.varm['PCs']).to_csv("$varm_PCs", sep="\t", index = False)
             </conditional>
             <output name="obsm_X_pca">
                 <assert_contents>
-                    <has_text_matching expression="0.00030471283" />
-                    <has_text_matching expression="3.4109413e-05" />
+                    <has_text_matching expression="0.0045348783" />
+                    <has_text_matching expression="3.4109413" />
                     <has_text_matching expression="-0.6401007" />
                     <has_n_columns n="10" />
                 </assert_contents>
             </output>
         </test>
-        <test>
+        <test expect_num_outputs="1">
             <!-- test 12: obsm_info, X_umap -->
             <param name="input" value="tl.umap.h5ad"/>
             <conditional name="inspect">
@@ -415,7 +415,7 @@ pd.DataFrame(adata.varm['PCs']).to_csv("$varm_PCs", sep="\t", index = False)
                 </assert_contents>
             </output>
         </test>
-        <test>
+        <test expect_num_outputs="1">
             <!-- test 13: obsm_info, X_tsne -->
             <param name="input" value="tl.tsne.h5ad"/>
             <conditional name="inspect">
@@ -430,7 +430,7 @@ pd.DataFrame(adata.varm['PCs']).to_csv("$varm_PCs", sep="\t", index = False)
                 </assert_contents>
             </output>
         </test>
-        <test>
+        <test expect_num_outputs="1">
             <!-- test 14: obsm_info, X_draw_graph -->
             <param name="input" value="tl.draw_graph.h5ad"/>
             <conditional name="inspect">
@@ -449,7 +449,7 @@ pd.DataFrame(adata.varm['PCs']).to_csv("$varm_PCs", sep="\t", index = False)
                 </element>
             </output_collection>
         </test>
-        <test>
+        <test expect_num_outputs="1">
             <!-- test 15: obsm_info, X_diffmap -->
             <param name="input" value="tl.diffmap.h5ad"/>
             <conditional name="inspect">
@@ -464,7 +464,7 @@ pd.DataFrame(adata.varm['PCs']).to_csv("$varm_PCs", sep="\t", index = False)
                 </assert_contents>
             </output>
         </test>
-        <test>
+        <test expect_num_outputs="1">
             <!-- test 16: varm_info, PCs -->
             <param name="input" value="pp.pca.krumsiek11.h5ad"/>
             <conditional name="inspect">
diff --git a/tools/anndata/macros.xml b/tools/anndata/macros.xml
index 6a9192f135e..69494861dcd 100644
--- a/tools/anndata/macros.xml
+++ b/tools/anndata/macros.xml
@@ -1,10 +1,10 @@
 <macros>
-    <token name="@TOOL_VERSION@">0.7.5</token>
-    <token name="@VERSION_SUFFIX@">1</token>
+    <token name="@TOOL_VERSION@">0.10.3</token>
+    <token name="@VERSION_SUFFIX@">0</token>
     <xml name="requirements">
         <requirements>
             <requirement type="package" version="@TOOL_VERSION@">anndata</requirement>
-            <requirement type="package" version="2.0.17">loompy</requirement>
+            <requirement type="package" version="3.0.6">loompy</requirement>
             <yield />
         </requirements>
     </xml>
diff --git a/tools/anndata/manipulate.xml b/tools/anndata/manipulate.xml
index 4249ae851b3..0534748c3b4 100644
--- a/tools/anndata/manipulate.xml
+++ b/tools/anndata/manipulate.xml
@@ -20,11 +20,11 @@
         <configfile name="script_file"><![CDATA[
 @CMD_imports@
 
-adata = ad.read('$input')
+adata = ad.read_h5ad('$input')
 
 #if $manipulate.function == 'concatenate'
     #for i, filepath in enumerate($manipulate.other_adatas)
-adata_$i = ad.read('$filepath')
+adata_$i = ad.read_h5ad('$filepath')
     #end for
 adata = adata.concatenate(
     #for i, filepath in enumerate($manipulate.other_adatas)
@@ -174,7 +174,7 @@ adata.write('anndata.h5ad')
                     <option value="var">Variables (var)</option>
                     <option value="obs">Observations (obs)</option>
                 </param>
-                <param name="new_annot" type="data" format="tabular" label="Table with new annotations" 
+                <param name="new_annot" type="data" format="tabular" label="Table with new annotations"
                     help="The new table should have the same number of rows and same order than obs or var. The key names should be in the header (1st line)"/>
             </when>
             <when value="filter">
@@ -289,12 +289,12 @@ adata.write('anndata.h5ad')
             <conditional name="manipulate">
                 <param name="function" value="rename_categories"/>
                 <param name="key" value="cell_type"/>
-                <param name="categories" value="Er,Ml,Mt, Ne, pr"/>
+                <param name="categories" value="Ery, Mk, Mo, progenitor"/>
             </conditional>
             <assert_stdout>
                 <has_text_matching expression="adata.rename_categories"/>
                 <has_text_matching expression="key='cell_type'"/>
-                <has_text_matching expression="categories=\['Er', 'Ml', 'Mt', 'Ne', 'pr'\]"/>
+                <has_text_matching expression="categories=\['Ery', 'Mk', 'Mo', 'progenitor'\]"/>
             </assert_stdout>
             <output name="anndata" value="manipulate.rename_categories.h5ad" ftype="h5ad" compare="sim_size"/>
         </test>
diff --git a/tools/anndata/test-data/addloomout1.loom b/tools/anndata/test-data/addloomout1.loom
index 396e9da13fc..2cbf0cae403 100644
Binary files a/tools/anndata/test-data/addloomout1.loom and b/tools/anndata/test-data/addloomout1.loom differ
diff --git a/tools/anndata/test-data/addloomout2.loom b/tools/anndata/test-data/addloomout2.loom
index 56756e18816..cdd635842a7 100644
Binary files a/tools/anndata/test-data/addloomout2.loom and b/tools/anndata/test-data/addloomout2.loom differ
diff --git a/tools/anndata/test-data/addloomout3.loom b/tools/anndata/test-data/addloomout3.loom
index c48174bafb6..9604236f2df 100644
Binary files a/tools/anndata/test-data/addloomout3.loom and b/tools/anndata/test-data/addloomout3.loom differ
diff --git a/tools/anndata/test-data/converted.loom.test b/tools/anndata/test-data/converted.loom.test
index 28badaa4bb5..4306c8fdc03 100644
Binary files a/tools/anndata/test-data/converted.loom.test and b/tools/anndata/test-data/converted.loom.test differ
diff --git a/tools/anndata/test-data/export.krumsiek11.X.tabular b/tools/anndata/test-data/export.krumsiek11.X.tabular
index cea8da5644e..2b44fcd21fb 100644
--- a/tools/anndata/test-data/export.krumsiek11.X.tabular
+++ b/tools/anndata/test-data/export.krumsiek11.X.tabular
@@ -498,143 +498,3 @@
 0.1857	0.0587	-0.0003	0.0087	0.0084	0.0221	0.9613	0.2272	0.1058	0.0298	0.276
 0.177	0.0645	0.0011	0.009	0.006	0.0222	0.9653	0.2208	0.1063	0.0291	0.2785
 0.1664	0.0673	0.002	0.0078	0.0094	0.0278	0.9689	0.2125	0.1041	0.0294	0.2794
-0.159	0.0738	0.0015	0.0092	0.0068	0.0289	0.97	0.2054	0.1042	0.0299	0.2807
-0.1509	0.0722	0.002	0.0078	0.0038	0.0353	0.9718	0.2007	0.0995	0.0284	0.2862
-0.1492	0.0714	0.0025	0.014	0.0066	0.0381	0.972	0.1993	0.0989	0.0286	0.2911
-0.1445	0.0706	0.0049	0.0148	0.0107	0.0411	0.9767	0.1999	0.0957	0.0306	0.293
-0.1402	0.073	0.0063	0.0143	0.0122	0.0407	0.9761	0.2024	0.0999	0.0315	0.2912
-0.1389	0.0725	0.0069	0.0163	0.014	0.0406	0.9781	0.206	0.0972	0.0301	0.2917
-0.1364	0.0761	0.0068	0.013	0.0147	0.0441	0.975	0.2033	0.0948	0.0285	0.2932
-0.1363	0.0786	0.0082	0.0151	0.0153	0.0463	0.9812	0.2048	0.0921	0.0291	0.2963
-0.1339	0.0796	0.0069	0.0145	0.0171	0.0539	0.984	0.2069	0.0884	0.031	0.2958
-0.1305	0.0847	0.0085	0.0156	0.015	0.0565	0.9853	0.2108	0.0883	0.0348	0.2913
-0.1276	0.0846	0.0087	0.0156	0.0124	0.0569	0.9906	0.2103	0.0888	0.0282	0.2906
-0.1238	0.0827	0.008	0.0176	0.0158	0.0603	0.9893	0.213	0.0886	0.0267	0.2899
-0.121	0.077	0.01	0.0174	0.0171	0.0605	0.9918	0.2194	0.0885	0.029	0.2966
-0.1187	0.0773	0.0107	0.0185	0.0164	0.0598	0.9913	0.2219	0.0878	0.0299	0.2996
-0.1158	0.0758	0.0095	0.0171	0.014	0.0573	0.9951	0.2252	0.0877	0.0324	0.3007
-0.1131	0.0785	0.0121	0.0212	0.0153	0.0587	0.9946	0.2275	0.0886	0.0303	0.3019
-0.1122	0.0777	0.0109	0.0218	0.0127	0.0596	0.9941	0.2355	0.0893	0.0283	0.3032
-0.1072	0.0748	0.0119	0.023	0.0139	0.0585	0.9989	0.241	0.091	0.0281	0.3086
-0.1028	0.0746	0.0094	0.0226	0.0179	0.06	1.0018	0.2489	0.0894	0.028	0.3093
-0.099	0.0747	0.0085	0.0216	0.0202	0.0572	1.0025	0.2566	0.0881	0.0277	0.3119
-0.0972	0.072	0.0094	0.0201	0.0221	0.0575	1.0	0.2602	0.0866	0.0225	0.3188
-0.091	0.0694	0.0116	0.0167	0.0212	0.059	0.9977	0.2646	0.0859	0.0206	0.335
-0.0881	0.0635	0.0127	0.0144	0.0243	0.0575	0.9993	0.2765	0.0842	0.0192	0.347
-0.0777	0.0648	0.0107	0.0142	0.0227	0.0554	1.0009	0.2916	0.0783	0.0182	0.3636
-0.0751	0.0614	0.0109	0.014	0.0234	0.0511	0.9961	0.3049	0.073	0.0199	0.3763
-0.0672	0.0573	0.0062	0.0126	0.0243	0.0472	0.9971	0.3239	0.0715	0.0206	0.387
-0.0605	0.0557	0.0099	0.012	0.0209	0.0449	0.999	0.3487	0.0693	0.0166	0.3983
-0.0558	0.0487	0.007	0.0078	0.0213	0.0421	1.0022	0.3729	0.0685	0.0143	0.4193
-0.0541	0.0413	0.0061	0.0081	0.0214	0.0373	1.0017	0.398	0.0627	0.015	0.4442
-0.0473	0.0383	0.0069	0.0082	0.0187	0.0349	1.0021	0.4264	0.0628	0.0124	0.4633
-0.0406	0.0333	0.0086	0.0041	0.0166	0.0321	1.0035	0.456	0.0572	0.0091	0.4903
-0.0375	0.0293	0.0067	0.0051	0.0111	0.0277	1.0031	0.4869	0.0538	0.0077	0.5204
-0.0345	0.026	0.0056	0.0032	0.0092	0.0229	1.0014	0.5207	0.0548	0.0092	0.5525
-0.0355	0.0241	0.0018	0.0041	0.0093	0.0204	0.9994	0.549	0.052	0.0077	0.5806
-0.0338	0.0206	0.0042	0.001	0.0103	0.0208	0.9973	0.5815	0.0465	0.0034	0.6118
-0.0295	0.0149	0.0014	0.0002	0.0086	0.0173	0.9992	0.612	0.0456	0.0037	0.6484
-0.0271	0.0161	-0.0009	0.0042	0.0087	0.0183	0.9966	0.6404	0.0462	0.0017	0.6776
-0.0234	0.0168	-0.0031	0.0043	0.0105	0.0146	0.9972	0.6661	0.0422	0.0024	0.7058
-0.0197	0.0159	-0.0013	0.0039	0.0117	0.0134	0.9977	0.6918	0.0429	0.0049	0.7283
-0.019	0.0129	-0.0024	0.0057	0.0121	0.0116	0.998	0.7171	0.0406	0.0068	0.7472
-0.0188	0.0127	-0.0019	0.0055	0.0136	0.0106	0.9989	0.741	0.041	0.0035	0.7613
-0.0136	0.0091	-0.0	0.0055	0.011	0.0114	1.0007	0.7634	0.0377	0.003	0.7768
-0.013	0.0047	0.0062	0.0049	0.0092	0.0106	1.004	0.7838	0.036	0.0054	0.7941
-0.0121	0.0046	0.0084	0.0015	0.0085	0.0119	1.0038	0.8002	0.0354	0.0076	0.8068
-0.0067	0.003	0.0063	0.0018	0.0057	0.0093	1.0053	0.815	0.0358	0.0093	0.8085
-0.0036	0.004	0.0098	0.0048	0.0029	0.0103	1.0043	0.8335	0.0347	0.0092	0.8087
-0.0022	0.0014	0.0081	0.0054	0.0016	0.007	1.0051	0.845	0.0368	0.0106	0.8054
-0.0035	0.0008	0.0072	0.0045	-0.0017	0.0118	1.0106	0.8645	0.0355	0.0123	0.797
-0.0019	-0.0007	0.0076	0.0025	-0.0015	0.0157	1.0082	0.8786	0.0353	0.0115	0.79
--0.0005	0.0007	0.0056	0.0028	-0.0028	0.0182	1.0054	0.8891	0.0327	0.0156	0.7795
-1e-04	0.0043	0.004	0.0038	-0.0027	0.0153	1.0046	0.9017	0.0336	0.0166	0.7638
-0.001	0.0058	0.005	0.0017	0.0019	0.0136	1.0057	0.9121	0.0304	0.0145	0.7487
--0.0005	0.0014	0.0029	0.0017	0.0003	0.0109	1.0029	0.9236	0.0279	0.0121	0.7384
--0.0007	0.0043	-0.0017	0.001	0.0004	0.0126	1.0038	0.9318	0.0295	0.0122	0.7401
-0.0017	0.0049	-0.0038	0.002	-0.0004	0.0123	1.006	0.9391	0.031	0.0104	0.742
-0.002	0.0058	-0.0027	0.0012	-0.0029	0.0137	1.0065	0.944	0.0288	0.0112	0.746
-0.0056	0.006	-0.0008	-0.0	-0.0048	0.0128	1.0063	0.9488	0.0278	0.0064	0.7508
-0.001	0.0034	0.0003	-0.0009	-0.0041	0.0157	1.005	0.9543	0.0263	0.0042	0.767
--0.0035	0.0037	-0.0005	-0.0013	-0.0014	0.0136	1.0037	0.9554	0.0244	0.003	0.7852
--0.0036	0.0011	-0.0017	0.0015	-0.0033	0.0083	1.0048	0.9596	0.0232	0.0023	0.8049
--0.0045	0.0013	-0.0018	0.0058	-0.0019	0.0051	1.0035	0.9609	0.0182	0.0031	0.8223
--0.0054	0.0006	0.0006	0.0042	0.0025	0.0081	1.0022	0.9671	0.0173	0.0013	0.8407
--0.0044	-0.0017	0.0009	0.0039	0.002	0.0053	1.0022	0.9687	0.0191	0.0033	0.854
--0.0062	-0.0005	0.0028	0.0042	-1e-04	0.0053	1.0035	0.9725	0.0186	0.0011	0.8643
--0.0032	-0.0016	0.0028	0.0041	-0.003	0.0062	1.0058	0.9703	0.0221	0.0036	0.8738
--0.0008	-0.0045	0.0032	0.0015	-0.0052	0.0076	1.0098	0.9704	0.02	0.0038	0.8789
--0.0009	-0.0052	0.0032	0.003	-0.0049	0.0053	1.0059	0.9697	0.0174	0.0017	0.8827
--0.0004	-0.0044	0.001	0.0014	-0.0041	0.0082	1.0084	0.9742	0.0192	0.0018	0.8915
-0.0004	-0.0036	-0.0013	-0.0013	-0.0069	0.0088	1.0077	0.9741	0.0203	-0.002	0.9007
-0.0016	-0.0057	-0.0028	-0.0019	-0.0092	0.0088	1.0056	0.9772	0.0227	-0.0029	0.9079
-0.0043	-0.0044	-0.0029	-0.0042	-0.011	0.0089	1.0077	0.9774	0.0187	-0.0027	0.9122
-0.0029	-0.0048	-0.0007	-0.0074	-0.0067	0.0103	1.0058	0.9793	0.0164	-1e-04	0.919
-0.0046	-0.0024	0.0024	-0.0066	-0.0074	0.0084	1.0077	0.978	0.0156	0.0033	0.9253
-0.0057	0.0025	0.006	-0.0083	-0.0069	0.0096	1.0043	0.9815	0.0139	-0.0	0.9315
-0.0058	-0.0008	0.0053	-0.0048	-0.0079	0.0051	1.0027	0.9819	0.0128	-0.0021	0.9381
-0.0049	1e-04	0.0076	-0.0053	-0.0099	0.003	1.004	0.9834	0.0174	0.0006	0.9442
-0.0026	0.0016	0.0087	-0.0013	-0.0097	-0.0002	1.001	0.9825	0.0152	-0.0037	0.9445
-0.001	-0.0015	0.0051	-0.0056	-0.0109	-1e-04	0.9991	0.9858	0.0147	1e-04	0.9469
-0.0017	-0.0009	0.0059	-0.0041	-0.0127	0.0027	1.0012	0.9888	0.0157	0.0004	0.9482
-0.0033	0.0025	0.0038	-0.0023	-0.0113	0.0005	0.9991	0.9893	0.0158	-0.0009	0.9526
-0.0022	-0.0025	0.0025	-0.0013	-0.0115	-0.0025	1.0013	0.9851	0.0158	-0.0003	0.9539
-0.0027	-0.0007	0.0033	-0.0021	-0.0107	-0.0073	0.9994	0.9876	0.0167	0.004	0.9537
-0.001	-0.002	0.0027	-0.0006	-0.0094	-0.0082	0.9983	0.9895	0.0161	0.0061	0.9528
--0.0018	0.0012	0.0018	0.001	-0.0121	-0.0074	0.9983	0.9941	0.0151	0.0051	0.9486
--0.0016	-0.0011	0.0026	-0.0014	-0.0084	-0.0067	1.002	0.9956	0.0121	0.0063	0.9434
--0.0007	-0.0027	-0.0022	-0.0006	-0.0084	-0.005	1.0045	1.0011	0.0128	0.0055	0.9396
--0.0002	-0.003	-0.0008	-0.0023	-0.0017	-0.0051	1.0037	1.0037	0.0119	0.0047	0.9403
--0.0	-0.0031	-0.0037	-0.0025	-0.0061	-0.0018	1.0033	1.0054	0.0141	0.0054	0.9383
-0.001	-0.006	-0.0048	-0.0004	-0.0048	-0.0024	1.0029	1.0067	0.0164	0.007	0.9398
-0.001	-0.005	-0.0075	-0.0036	-0.0073	0.0003	1.001	1.0062	0.0178	0.005	0.9357
-0.0013	-0.0048	-0.0074	-0.0052	-0.0027	-0.0005	0.9988	1.0052	0.016	0.005	0.9303
-0.0031	-0.0044	-0.0053	0.0004	-0.002	0.0006	0.999	1.0037	0.017	0.006	0.9304
-0.004	-0.0049	-0.0044	0.002	-0.0009	-0.0012	1.001	1.0015	0.0203	0.0063	0.9264
-0.0024	-0.0035	-0.0028	0.0016	-0.0004	-0.0013	1.0027	1.0006	0.0214	0.0027	0.9278
-0.0036	-0.0006	-0.0018	0.0002	-0.001	0.0011	1.0038	1.0032	0.0185	0.0014	0.9326
-0.0036	-0.0017	-0.0026	0.0049	-0.0051	0.0024	1.0048	1.0039	0.0179	-0.0011	0.9367
-0.0036	-0.0032	-0.0034	0.0032	-0.0023	0.0036	1.0062	1.0058	0.0195	-0.0015	0.9401
-0.0018	-0.0049	1e-04	0.001	0.0	0.0044	1.0066	1.0055	0.0204	-0.0021	0.9432
--0.0	-0.0055	-0.0014	-0.0013	-0.0025	0.002	1.0021	1.0051	0.0189	-0.0044	0.9453
--0.0035	-0.004	-0.0032	-0.0007	-0.0018	-0.0	1.0024	1.0047	0.0187	-0.0066	0.9389
--0.0071	-0.0056	-0.0025	0.0002	-0.002	-0.004	1.0032	1.0047	0.0155	-0.0102	0.9278
--0.0053	-0.0073	-0.0031	0.0033	0.0006	-0.0011	1.0012	1.0025	0.0137	-0.0045	0.9215
--0.001	-0.0068	-0.0031	0.0045	-0.0015	-0.0032	0.9998	1.0044	0.0113	-0.0052	0.9236
--0.0017	-0.0023	-0.0046	0.0052	0.0033	-0.0023	0.9987	1.0078	0.0105	-0.007	0.9217
--0.0025	0.0006	-1e-04	0.0069	0.0048	-0.0008	0.9951	1.005	0.0144	-0.0072	0.9174
--0.0014	0.0029	-0.0026	0.0083	0.003	0.0	0.9967	1.0052	0.013	-0.0051	0.9144
-1e-04	0.0038	-0.0015	0.0065	0.0026	0.0015	0.9945	1.0036	0.0144	-0.003	0.9207
-0.0019	0.002	0.0014	0.0059	0.0048	0.0008	0.9966	1.007	0.0151	-0.0008	0.9236
-0.0013	0.0018	-0.0016	0.0077	0.0045	-0.0	0.9966	1.0074	0.0135	-0.0022	0.9318
-0.0014	-0.0	-0.0017	0.006	0.0053	0.0002	0.989	1.0061	0.014	-0.0034	0.9351
-0.0012	0.0023	0.0008	0.0046	0.0053	0.0032	0.9867	1.0054	0.0131	-0.0067	0.938
-0.0045	0.0011	0.0021	0.0024	0.007	0.0006	0.9872	1.004	0.0125	-0.0076	0.9325
-0.0077	0.0017	0.0034	0.0055	0.0049	-0.001	0.9914	1.0053	0.0113	-0.0099	0.92
-0.0061	-0.0006	0.0036	0.0096	0.0063	-0.0023	0.9914	1.0067	0.0126	-0.0062	0.9187
-0.0046	-0.0029	0.0047	0.0083	0.0047	-0.0058	0.9915	1.0034	0.0144	-0.0047	0.9198
-0.0025	-0.002	0.0026	0.0064	0.0047	-0.0078	0.9926	1.003	0.0153	-0.0054	0.9198
--0.0023	-0.0027	0.0013	0.0059	0.0014	-0.0077	0.9938	1.0012	0.0143	-0.0046	0.9246
-0.0004	-0.0045	0.0011	0.0046	0.0035	-0.0082	0.9927	1.0007	0.0133	-0.0049	0.9222
--0.0006	-0.0044	0.001	0.0071	0.0049	-0.0112	0.9953	1.0034	0.0123	-0.0061	0.9246
--0.0025	-0.0051	-0.0003	0.0076	0.003	-0.0067	0.9932	1.0029	0.014	-0.0055	0.9267
--0.0038	-0.0068	0.0007	0.0066	-0.0003	-0.0066	0.9921	1.0051	0.013	-0.0046	0.9243
--0.0023	-0.0119	0.0046	0.0063	0.0037	-0.0059	0.9913	1.004	0.0146	-0.0022	0.9326
--0.0034	-0.0117	0.002	0.0028	0.003	-0.0026	0.9923	1.0021	0.0158	-0.0021	0.9364
--0.0047	-0.0134	0.0031	0.0018	0.0046	-0.0006	0.9908	0.9996	0.0136	-0.0015	0.9376
--0.0035	-0.0163	0.0017	0.0016	0.0035	-0.0008	0.9938	0.9976	0.013	0.0009	0.9446
--0.002	-0.0149	-0.0009	0.0021	0.0013	-0.0018	0.9938	0.9941	0.015	-0.0055	0.9497
--0.0036	-0.0151	0.0024	-0.0013	0.0012	0.0004	0.9976	0.9917	0.0123	-0.0032	0.9441
--0.0032	-0.0116	0.001	0.0008	-0.0024	0.0006	1.001	0.9934	0.0108	-0.0065	0.9492
--0.0023	-0.0083	0.0027	0.0005	0.0006	-0.0014	1.0014	0.9927	0.0136	-0.0067	0.94
--0.001	-0.006	0.0022	0.0034	-0.0011	-0.0018	0.9997	0.9933	0.0132	-0.0049	0.9404
--0.0024	-0.0073	-0.0011	0.0036	-0.0024	-0.0008	0.9975	0.9958	0.0165	-0.0064	0.9398
-0.0007	-0.0051	0.0008	0.0036	-0.003	-0.0012	1.0006	0.9932	0.0161	-0.0076	0.9372
--0.0008	-0.0076	0.0025	0.0028	-0.0048	-0.0003	1.0016	0.992	0.015	-0.0095	0.9325
--0.0029	-0.0045	0.0027	0.0051	-0.0046	-0.0039	0.9989	0.9913	0.0177	-0.0087	0.9232
-0.0002	-0.002	0.0061	0.0048	-0.0043	-0.0016	0.9989	0.9911	0.0152	-0.0072	0.916
--0.001	-0.002	0.0015	0.0029	-0.0055	-0.0004	0.999	0.9915	0.0107	-0.0076	0.9119
-0.0028	-0.003	0.0009	0.0049	-0.0073	0.002	1.0	0.9946	0.0127	-0.0082	0.9095
-0.003	-0.0035	0.0008	0.0052	-0.0066	1e-04	1.0014	0.9977	0.0125	-0.0046	0.9069
-0.0063	-0.0023	-0.0005	0.0081	-0.0046	-0.0006	0.9983	0.997	0.0109	-0.003	0.9118
-0.0049	0.0002	-0.0013	0.0054	-0.0036	0.0009	1.0011	0.9967	0.0066	-0.0033	0.9177
diff --git a/tools/anndata/test-data/export.krumsiek11.loom b/tools/anndata/test-data/export.krumsiek11.loom
index f7071c4d821..fda6e3a99db 100644
Binary files a/tools/anndata/test-data/export.krumsiek11.loom and b/tools/anndata/test-data/export.krumsiek11.loom differ
diff --git a/tools/anndata/test-data/export.krumsiek11.obs.tabular b/tools/anndata/test-data/export.krumsiek11.obs.tabular
index bc5d2b24ed6..5945b2c3f30 100644
--- a/tools/anndata/test-data/export.krumsiek11.obs.tabular
+++ b/tools/anndata/test-data/export.krumsiek11.obs.tabular
@@ -1,4 +1,4 @@
-index	cell_type
+	cell_type
 0	progenitor
 1	progenitor
 2	progenitor
@@ -499,143 +499,3 @@ index	cell_type
 17	progenitor
 18	progenitor
 19	progenitor
-20	progenitor
-21	progenitor
-22	progenitor
-23	progenitor
-24	progenitor
-25	progenitor
-26	progenitor
-27	progenitor
-28	progenitor
-29	progenitor
-30	progenitor
-31	progenitor
-32	progenitor
-33	progenitor
-34	progenitor
-35	progenitor
-36	progenitor
-37	progenitor
-38	progenitor
-39	progenitor
-40	progenitor
-41	progenitor
-42	progenitor
-43	progenitor
-44	progenitor
-45	progenitor
-46	progenitor
-47	progenitor
-48	progenitor
-49	progenitor
-50	progenitor
-51	progenitor
-52	progenitor
-53	progenitor
-54	progenitor
-55	progenitor
-56	progenitor
-57	progenitor
-58	progenitor
-59	progenitor
-60	progenitor
-61	progenitor
-62	progenitor
-63	progenitor
-64	progenitor
-65	progenitor
-66	progenitor
-67	progenitor
-68	progenitor
-69	progenitor
-70	progenitor
-71	progenitor
-72	progenitor
-73	progenitor
-74	progenitor
-75	progenitor
-76	progenitor
-77	progenitor
-78	progenitor
-79	progenitor
-80	Neu
-81	Neu
-82	Neu
-83	Neu
-84	Neu
-85	Neu
-86	Neu
-87	Neu
-88	Neu
-89	Neu
-90	Neu
-91	Neu
-92	Neu
-93	Neu
-94	Neu
-95	Neu
-96	Neu
-97	Neu
-98	Neu
-99	Neu
-100	Neu
-101	Neu
-102	Neu
-103	Neu
-104	Neu
-105	Neu
-106	Neu
-107	Neu
-108	Neu
-109	Neu
-110	Neu
-111	Neu
-112	Neu
-113	Neu
-114	Neu
-115	Neu
-116	Neu
-117	Neu
-118	Neu
-119	Neu
-120	Neu
-121	Neu
-122	Neu
-123	Neu
-124	Neu
-125	Neu
-126	Neu
-127	Neu
-128	Neu
-129	Neu
-130	Neu
-131	Neu
-132	Neu
-133	Neu
-134	Neu
-135	Neu
-136	Neu
-137	Neu
-138	Neu
-139	Neu
-140	Neu
-141	Neu
-142	Neu
-143	Neu
-144	Neu
-145	Neu
-146	Neu
-147	Neu
-148	Neu
-149	Neu
-150	Neu
-151	Neu
-152	Neu
-153	Neu
-154	Neu
-155	Neu
-156	Neu
-157	Neu
-158	Neu
-159	Neu
diff --git a/tools/anndata/test-data/export.krumsiek11.obsm.tabular b/tools/anndata/test-data/export.krumsiek11.obsm.tabular
index 6ef1c0bba67..255d26f5772 100644
--- a/tools/anndata/test-data/export.krumsiek11.obsm.tabular
+++ b/tools/anndata/test-data/export.krumsiek11.obsm.tabular
@@ -479,146 +479,6 @@
 
 
 
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diff --git a/tools/anndata/test-data/export.krumsiek11.var.tabular b/tools/anndata/test-data/export.krumsiek11.var.tabular
index 45b3bd7f938..757aab61b6f 100644
--- a/tools/anndata/test-data/export.krumsiek11.var.tabular
+++ b/tools/anndata/test-data/export.krumsiek11.var.tabular
@@ -1,4 +1,4 @@
-index
+""
 Gata2
 Gata1
 Fog1
diff --git a/tools/anndata/test-data/import.csv.h5ad b/tools/anndata/test-data/import.csv.h5ad
index f0e896e0018..e5f8e8a75dc 100644
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diff --git a/tools/anndata/test-data/import.loom.krumsiek11.h5ad b/tools/anndata/test-data/import.loom.krumsiek11.h5ad
index 2b9c615d856..121c7007c39 100644
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diff --git a/tools/anndata/test-data/import.mtx.legacy_10x.h5ad b/tools/anndata/test-data/import.mtx.legacy_10x.h5ad
index 3dbe602b8db..499070f8efd 100644
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diff --git a/tools/anndata/test-data/import.mtx.no_10x.h5ad b/tools/anndata/test-data/import.mtx.no_10x.h5ad
index af621e5d79c..178c45cc6bb 100644
Binary files a/tools/anndata/test-data/import.mtx.no_10x.h5ad and b/tools/anndata/test-data/import.mtx.no_10x.h5ad differ
diff --git a/tools/anndata/test-data/import.mtx.v3_10x.h5ad b/tools/anndata/test-data/import.mtx.v3_10x.h5ad
index 6d86b33fde1..adc964a658e 100644
Binary files a/tools/anndata/test-data/import.mtx.v3_10x.h5ad and b/tools/anndata/test-data/import.mtx.v3_10x.h5ad differ
diff --git a/tools/anndata/test-data/import.tsv.h5ad b/tools/anndata/test-data/import.tsv.h5ad
index 40a04781f04..e5f8e8a75dc 100644
Binary files a/tools/anndata/test-data/import.tsv.h5ad and b/tools/anndata/test-data/import.tsv.h5ad differ
diff --git a/tools/anndata/test-data/import.umi_tools.h5ad b/tools/anndata/test-data/import.umi_tools.h5ad
index 1af855644f7..10883345421 100644
Binary files a/tools/anndata/test-data/import.umi_tools.h5ad and b/tools/anndata/test-data/import.umi_tools.h5ad differ
diff --git a/tools/anndata/test-data/inspect.X.tabular b/tools/anndata/test-data/inspect.X.tabular
index 1427ddefe7c..0fb52e0ad3e 100644
--- a/tools/anndata/test-data/inspect.X.tabular
+++ b/tools/anndata/test-data/inspect.X.tabular
@@ -1,4 +1,4 @@
-index	Gata2	Gata1	Fog1	EKLF	Fli1	SCL	Cebpa	Pu.1	cJun	EgrNab	Gfi1
+	Gata2	Gata1	Fog1	EKLF	Fli1	SCL	Cebpa	Pu.1	cJun	EgrNab	Gfi1
 0	0.8032	-0.0005	-1e-04	0.0003	0.0013	0.0011	0.7997	0.8017	0.0006	0.0009	0.0002
 1	0.7239	0.0016	-0.0003	-0.001	0.0011	0.0022	0.8195	0.7256	0.0784	0.0077	0.0941
 2	0.6578	0.0013	-0.001	-0.0027	0.0025	0.0011	0.8358	0.6624	0.1105	0.0239	0.1497
@@ -499,143 +499,3 @@ index	Gata2	Gata1	Fog1	EKLF	Fli1	SCL	Cebpa	Pu.1	cJun	EgrNab	Gfi1
 17	0.1857	0.0587	-0.0003	0.0087	0.0084	0.0221	0.9613	0.2272	0.1058	0.0298	0.276
 18	0.177	0.0645	0.0011	0.009	0.006	0.0222	0.9653	0.2208	0.1063	0.0291	0.2785
 19	0.1664	0.0673	0.002	0.0078	0.0094	0.0278	0.9689	0.2125	0.1041	0.0294	0.2794
-20	0.159	0.0738	0.0015	0.0092	0.0068	0.0289	0.97	0.2054	0.1042	0.0299	0.2807
-21	0.1509	0.0722	0.002	0.0078	0.0038	0.0353	0.9718	0.2007	0.0995	0.0284	0.2862
-22	0.1492	0.0714	0.0025	0.014	0.0066	0.0381	0.972	0.1993	0.0989	0.0286	0.2911
-23	0.1445	0.0706	0.0049	0.0148	0.0107	0.0411	0.9767	0.1999	0.0957	0.0306	0.293
-24	0.1402	0.073	0.0063	0.0143	0.0122	0.0407	0.9761	0.2024	0.0999	0.0315	0.2912
-25	0.1389	0.0725	0.0069	0.0163	0.014	0.0406	0.9781	0.206	0.0972	0.0301	0.2917
-26	0.1364	0.0761	0.0068	0.013	0.0147	0.0441	0.975	0.2033	0.0948	0.0285	0.2932
-27	0.1363	0.0786	0.0082	0.0151	0.0153	0.0463	0.9812	0.2048	0.0921	0.0291	0.2963
-28	0.1339	0.0796	0.0069	0.0145	0.0171	0.0539	0.984	0.2069	0.0884	0.031	0.2958
-29	0.1305	0.0847	0.0085	0.0156	0.015	0.0565	0.9853	0.2108	0.0883	0.0348	0.2913
-30	0.1276	0.0846	0.0087	0.0156	0.0124	0.0569	0.9906	0.2103	0.0888	0.0282	0.2906
-31	0.1238	0.0827	0.008	0.0176	0.0158	0.0603	0.9893	0.213	0.0886	0.0267	0.2899
-32	0.121	0.077	0.01	0.0174	0.0171	0.0605	0.9918	0.2194	0.0885	0.029	0.2966
-33	0.1187	0.0773	0.0107	0.0185	0.0164	0.0598	0.9913	0.2219	0.0878	0.0299	0.2996
-34	0.1158	0.0758	0.0095	0.0171	0.014	0.0573	0.9951	0.2252	0.0877	0.0324	0.3007
-35	0.1131	0.0785	0.0121	0.0212	0.0153	0.0587	0.9946	0.2275	0.0886	0.0303	0.3019
-36	0.1122	0.0777	0.0109	0.0218	0.0127	0.0596	0.9941	0.2355	0.0893	0.0283	0.3032
-37	0.1072	0.0748	0.0119	0.023	0.0139	0.0585	0.9989	0.241	0.091	0.0281	0.3086
-38	0.1028	0.0746	0.0094	0.0226	0.0179	0.06	1.0018	0.2489	0.0894	0.028	0.3093
-39	0.099	0.0747	0.0085	0.0216	0.0202	0.0572	1.0025	0.2566	0.0881	0.0277	0.3119
-40	0.0972	0.072	0.0094	0.0201	0.0221	0.0575	1.0	0.2602	0.0866	0.0225	0.3188
-41	0.091	0.0694	0.0116	0.0167	0.0212	0.059	0.9977	0.2646	0.0859	0.0206	0.335
-42	0.0881	0.0635	0.0127	0.0144	0.0243	0.0575	0.9993	0.2765	0.0842	0.0192	0.347
-43	0.0777	0.0648	0.0107	0.0142	0.0227	0.0554	1.0009	0.2916	0.0783	0.0182	0.3636
-44	0.0751	0.0614	0.0109	0.014	0.0234	0.0511	0.9961	0.3049	0.073	0.0199	0.3763
-45	0.0672	0.0573	0.0062	0.0126	0.0243	0.0472	0.9971	0.3239	0.0715	0.0206	0.387
-46	0.0605	0.0557	0.0099	0.012	0.0209	0.0449	0.999	0.3487	0.0693	0.0166	0.3983
-47	0.0558	0.0487	0.007	0.0078	0.0213	0.0421	1.0022	0.3729	0.0685	0.0143	0.4193
-48	0.0541	0.0413	0.0061	0.0081	0.0214	0.0373	1.0017	0.398	0.0627	0.015	0.4442
-49	0.0473	0.0383	0.0069	0.0082	0.0187	0.0349	1.0021	0.4264	0.0628	0.0124	0.4633
-50	0.0406	0.0333	0.0086	0.0041	0.0166	0.0321	1.0035	0.456	0.0572	0.0091	0.4903
-51	0.0375	0.0293	0.0067	0.0051	0.0111	0.0277	1.0031	0.4869	0.0538	0.0077	0.5204
-52	0.0345	0.026	0.0056	0.0032	0.0092	0.0229	1.0014	0.5207	0.0548	0.0092	0.5525
-53	0.0355	0.0241	0.0018	0.0041	0.0093	0.0204	0.9994	0.549	0.052	0.0077	0.5806
-54	0.0338	0.0206	0.0042	0.001	0.0103	0.0208	0.9973	0.5815	0.0465	0.0034	0.6118
-55	0.0295	0.0149	0.0014	0.0002	0.0086	0.0173	0.9992	0.612	0.0456	0.0037	0.6484
-56	0.0271	0.0161	-0.0009	0.0042	0.0087	0.0183	0.9966	0.6404	0.0462	0.0017	0.6776
-57	0.0234	0.0168	-0.0031	0.0043	0.0105	0.0146	0.9972	0.6661	0.0422	0.0024	0.7058
-58	0.0197	0.0159	-0.0013	0.0039	0.0117	0.0134	0.9977	0.6918	0.0429	0.0049	0.7283
-59	0.019	0.0129	-0.0024	0.0057	0.0121	0.0116	0.998	0.7171	0.0406	0.0068	0.7472
-60	0.0188	0.0127	-0.0019	0.0055	0.0136	0.0106	0.9989	0.741	0.041	0.0035	0.7613
-61	0.0136	0.0091	-0.0	0.0055	0.011	0.0114	1.0007	0.7634	0.0377	0.003	0.7768
-62	0.013	0.0047	0.0062	0.0049	0.0092	0.0106	1.004	0.7838	0.036	0.0054	0.7941
-63	0.0121	0.0046	0.0084	0.0015	0.0085	0.0119	1.0038	0.8002	0.0354	0.0076	0.8068
-64	0.0067	0.003	0.0063	0.0018	0.0057	0.0093	1.0053	0.815	0.0358	0.0093	0.8085
-65	0.0036	0.004	0.0098	0.0048	0.0029	0.0103	1.0043	0.8335	0.0347	0.0092	0.8087
-66	0.0022	0.0014	0.0081	0.0054	0.0016	0.007	1.0051	0.845	0.0368	0.0106	0.8054
-67	0.0035	0.0008	0.0072	0.0045	-0.0017	0.0118	1.0106	0.8645	0.0355	0.0123	0.797
-68	0.0019	-0.0007	0.0076	0.0025	-0.0015	0.0157	1.0082	0.8786	0.0353	0.0115	0.79
-69	-0.0005	0.0007	0.0056	0.0028	-0.0028	0.0182	1.0054	0.8891	0.0327	0.0156	0.7795
-70	1e-04	0.0043	0.004	0.0038	-0.0027	0.0153	1.0046	0.9017	0.0336	0.0166	0.7638
-71	0.001	0.0058	0.005	0.0017	0.0019	0.0136	1.0057	0.9121	0.0304	0.0145	0.7487
-72	-0.0005	0.0014	0.0029	0.0017	0.0003	0.0109	1.0029	0.9236	0.0279	0.0121	0.7384
-73	-0.0007	0.0043	-0.0017	0.001	0.0004	0.0126	1.0038	0.9318	0.0295	0.0122	0.7401
-74	0.0017	0.0049	-0.0038	0.002	-0.0004	0.0123	1.006	0.9391	0.031	0.0104	0.742
-75	0.002	0.0058	-0.0027	0.0012	-0.0029	0.0137	1.0065	0.944	0.0288	0.0112	0.746
-76	0.0056	0.006	-0.0008	-0.0	-0.0048	0.0128	1.0063	0.9488	0.0278	0.0064	0.7508
-77	0.001	0.0034	0.0003	-0.0009	-0.0041	0.0157	1.005	0.9543	0.0263	0.0042	0.767
-78	-0.0035	0.0037	-0.0005	-0.0013	-0.0014	0.0136	1.0037	0.9554	0.0244	0.003	0.7852
-79	-0.0036	0.0011	-0.0017	0.0015	-0.0033	0.0083	1.0048	0.9596	0.0232	0.0023	0.8049
-80	-0.0045	0.0013	-0.0018	0.0058	-0.0019	0.0051	1.0035	0.9609	0.0182	0.0031	0.8223
-81	-0.0054	0.0006	0.0006	0.0042	0.0025	0.0081	1.0022	0.9671	0.0173	0.0013	0.8407
-82	-0.0044	-0.0017	0.0009	0.0039	0.002	0.0053	1.0022	0.9687	0.0191	0.0033	0.854
-83	-0.0062	-0.0005	0.0028	0.0042	-1e-04	0.0053	1.0035	0.9725	0.0186	0.0011	0.8643
-84	-0.0032	-0.0016	0.0028	0.0041	-0.003	0.0062	1.0058	0.9703	0.0221	0.0036	0.8738
-85	-0.0008	-0.0045	0.0032	0.0015	-0.0052	0.0076	1.0098	0.9704	0.02	0.0038	0.8789
-86	-0.0009	-0.0052	0.0032	0.003	-0.0049	0.0053	1.0059	0.9697	0.0174	0.0017	0.8827
-87	-0.0004	-0.0044	0.001	0.0014	-0.0041	0.0082	1.0084	0.9742	0.0192	0.0018	0.8915
-88	0.0004	-0.0036	-0.0013	-0.0013	-0.0069	0.0088	1.0077	0.9741	0.0203	-0.002	0.9007
-89	0.0016	-0.0057	-0.0028	-0.0019	-0.0092	0.0088	1.0056	0.9772	0.0227	-0.0029	0.9079
-90	0.0043	-0.0044	-0.0029	-0.0042	-0.011	0.0089	1.0077	0.9774	0.0187	-0.0027	0.9122
-91	0.0029	-0.0048	-0.0007	-0.0074	-0.0067	0.0103	1.0058	0.9793	0.0164	-1e-04	0.919
-92	0.0046	-0.0024	0.0024	-0.0066	-0.0074	0.0084	1.0077	0.978	0.0156	0.0033	0.9253
-93	0.0057	0.0025	0.006	-0.0083	-0.0069	0.0096	1.0043	0.9815	0.0139	-0.0	0.9315
-94	0.0058	-0.0008	0.0053	-0.0048	-0.0079	0.0051	1.0027	0.9819	0.0128	-0.0021	0.9381
-95	0.0049	1e-04	0.0076	-0.0053	-0.0099	0.003	1.004	0.9834	0.0174	0.0006	0.9442
-96	0.0026	0.0016	0.0087	-0.0013	-0.0097	-0.0002	1.001	0.9825	0.0152	-0.0037	0.9445
-97	0.001	-0.0015	0.0051	-0.0056	-0.0109	-1e-04	0.9991	0.9858	0.0147	1e-04	0.9469
-98	0.0017	-0.0009	0.0059	-0.0041	-0.0127	0.0027	1.0012	0.9888	0.0157	0.0004	0.9482
-99	0.0033	0.0025	0.0038	-0.0023	-0.0113	0.0005	0.9991	0.9893	0.0158	-0.0009	0.9526
-100	0.0022	-0.0025	0.0025	-0.0013	-0.0115	-0.0025	1.0013	0.9851	0.0158	-0.0003	0.9539
-101	0.0027	-0.0007	0.0033	-0.0021	-0.0107	-0.0073	0.9994	0.9876	0.0167	0.004	0.9537
-102	0.001	-0.002	0.0027	-0.0006	-0.0094	-0.0082	0.9983	0.9895	0.0161	0.0061	0.9528
-103	-0.0018	0.0012	0.0018	0.001	-0.0121	-0.0074	0.9983	0.9941	0.0151	0.0051	0.9486
-104	-0.0016	-0.0011	0.0026	-0.0014	-0.0084	-0.0067	1.002	0.9956	0.0121	0.0063	0.9434
-105	-0.0007	-0.0027	-0.0022	-0.0006	-0.0084	-0.005	1.0045	1.0011	0.0128	0.0055	0.9396
-106	-0.0002	-0.003	-0.0008	-0.0023	-0.0017	-0.0051	1.0037	1.0037	0.0119	0.0047	0.9403
-107	-0.0	-0.0031	-0.0037	-0.0025	-0.0061	-0.0018	1.0033	1.0054	0.0141	0.0054	0.9383
-108	0.001	-0.006	-0.0048	-0.0004	-0.0048	-0.0024	1.0029	1.0067	0.0164	0.007	0.9398
-109	0.001	-0.005	-0.0075	-0.0036	-0.0073	0.0003	1.001	1.0062	0.0178	0.005	0.9357
-110	0.0013	-0.0048	-0.0074	-0.0052	-0.0027	-0.0005	0.9988	1.0052	0.016	0.005	0.9303
-111	0.0031	-0.0044	-0.0053	0.0004	-0.002	0.0006	0.999	1.0037	0.017	0.006	0.9304
-112	0.004	-0.0049	-0.0044	0.002	-0.0009	-0.0012	1.001	1.0015	0.0203	0.0063	0.9264
-113	0.0024	-0.0035	-0.0028	0.0016	-0.0004	-0.0013	1.0027	1.0006	0.0214	0.0027	0.9278
-114	0.0036	-0.0006	-0.0018	0.0002	-0.001	0.0011	1.0038	1.0032	0.0185	0.0014	0.9326
-115	0.0036	-0.0017	-0.0026	0.0049	-0.0051	0.0024	1.0048	1.0039	0.0179	-0.0011	0.9367
-116	0.0036	-0.0032	-0.0034	0.0032	-0.0023	0.0036	1.0062	1.0058	0.0195	-0.0015	0.9401
-117	0.0018	-0.0049	1e-04	0.001	0.0	0.0044	1.0066	1.0055	0.0204	-0.0021	0.9432
-118	-0.0	-0.0055	-0.0014	-0.0013	-0.0025	0.002	1.0021	1.0051	0.0189	-0.0044	0.9453
-119	-0.0035	-0.004	-0.0032	-0.0007	-0.0018	-0.0	1.0024	1.0047	0.0187	-0.0066	0.9389
-120	-0.0071	-0.0056	-0.0025	0.0002	-0.002	-0.004	1.0032	1.0047	0.0155	-0.0102	0.9278
-121	-0.0053	-0.0073	-0.0031	0.0033	0.0006	-0.0011	1.0012	1.0025	0.0137	-0.0045	0.9215
-122	-0.001	-0.0068	-0.0031	0.0045	-0.0015	-0.0032	0.9998	1.0044	0.0113	-0.0052	0.9236
-123	-0.0017	-0.0023	-0.0046	0.0052	0.0033	-0.0023	0.9987	1.0078	0.0105	-0.007	0.9217
-124	-0.0025	0.0006	-1e-04	0.0069	0.0048	-0.0008	0.9951	1.005	0.0144	-0.0072	0.9174
-125	-0.0014	0.0029	-0.0026	0.0083	0.003	0.0	0.9967	1.0052	0.013	-0.0051	0.9144
-126	1e-04	0.0038	-0.0015	0.0065	0.0026	0.0015	0.9945	1.0036	0.0144	-0.003	0.9207
-127	0.0019	0.002	0.0014	0.0059	0.0048	0.0008	0.9966	1.007	0.0151	-0.0008	0.9236
-128	0.0013	0.0018	-0.0016	0.0077	0.0045	-0.0	0.9966	1.0074	0.0135	-0.0022	0.9318
-129	0.0014	-0.0	-0.0017	0.006	0.0053	0.0002	0.989	1.0061	0.014	-0.0034	0.9351
-130	0.0012	0.0023	0.0008	0.0046	0.0053	0.0032	0.9867	1.0054	0.0131	-0.0067	0.938
-131	0.0045	0.0011	0.0021	0.0024	0.007	0.0006	0.9872	1.004	0.0125	-0.0076	0.9325
-132	0.0077	0.0017	0.0034	0.0055	0.0049	-0.001	0.9914	1.0053	0.0113	-0.0099	0.92
-133	0.0061	-0.0006	0.0036	0.0096	0.0063	-0.0023	0.9914	1.0067	0.0126	-0.0062	0.9187
-134	0.0046	-0.0029	0.0047	0.0083	0.0047	-0.0058	0.9915	1.0034	0.0144	-0.0047	0.9198
-135	0.0025	-0.002	0.0026	0.0064	0.0047	-0.0078	0.9926	1.003	0.0153	-0.0054	0.9198
-136	-0.0023	-0.0027	0.0013	0.0059	0.0014	-0.0077	0.9938	1.0012	0.0143	-0.0046	0.9246
-137	0.0004	-0.0045	0.0011	0.0046	0.0035	-0.0082	0.9927	1.0007	0.0133	-0.0049	0.9222
-138	-0.0006	-0.0044	0.001	0.0071	0.0049	-0.0112	0.9953	1.0034	0.0123	-0.0061	0.9246
-139	-0.0025	-0.0051	-0.0003	0.0076	0.003	-0.0067	0.9932	1.0029	0.014	-0.0055	0.9267
-140	-0.0038	-0.0068	0.0007	0.0066	-0.0003	-0.0066	0.9921	1.0051	0.013	-0.0046	0.9243
-141	-0.0023	-0.0119	0.0046	0.0063	0.0037	-0.0059	0.9913	1.004	0.0146	-0.0022	0.9326
-142	-0.0034	-0.0117	0.002	0.0028	0.003	-0.0026	0.9923	1.0021	0.0158	-0.0021	0.9364
-143	-0.0047	-0.0134	0.0031	0.0018	0.0046	-0.0006	0.9908	0.9996	0.0136	-0.0015	0.9376
-144	-0.0035	-0.0163	0.0017	0.0016	0.0035	-0.0008	0.9938	0.9976	0.013	0.0009	0.9446
-145	-0.002	-0.0149	-0.0009	0.0021	0.0013	-0.0018	0.9938	0.9941	0.015	-0.0055	0.9497
-146	-0.0036	-0.0151	0.0024	-0.0013	0.0012	0.0004	0.9976	0.9917	0.0123	-0.0032	0.9441
-147	-0.0032	-0.0116	0.001	0.0008	-0.0024	0.0006	1.001	0.9934	0.0108	-0.0065	0.9492
-148	-0.0023	-0.0083	0.0027	0.0005	0.0006	-0.0014	1.0014	0.9927	0.0136	-0.0067	0.94
-149	-0.001	-0.006	0.0022	0.0034	-0.0011	-0.0018	0.9997	0.9933	0.0132	-0.0049	0.9404
-150	-0.0024	-0.0073	-0.0011	0.0036	-0.0024	-0.0008	0.9975	0.9958	0.0165	-0.0064	0.9398
-151	0.0007	-0.0051	0.0008	0.0036	-0.003	-0.0012	1.0006	0.9932	0.0161	-0.0076	0.9372
-152	-0.0008	-0.0076	0.0025	0.0028	-0.0048	-0.0003	1.0016	0.992	0.015	-0.0095	0.9325
-153	-0.0029	-0.0045	0.0027	0.0051	-0.0046	-0.0039	0.9989	0.9913	0.0177	-0.0087	0.9232
-154	0.0002	-0.002	0.0061	0.0048	-0.0043	-0.0016	0.9989	0.9911	0.0152	-0.0072	0.916
-155	-0.001	-0.002	0.0015	0.0029	-0.0055	-0.0004	0.999	0.9915	0.0107	-0.0076	0.9119
-156	0.0028	-0.003	0.0009	0.0049	-0.0073	0.002	1.0	0.9946	0.0127	-0.0082	0.9095
-157	0.003	-0.0035	0.0008	0.0052	-0.0066	1e-04	1.0014	0.9977	0.0125	-0.0046	0.9069
-158	0.0063	-0.0023	-0.0005	0.0081	-0.0046	-0.0006	0.9983	0.997	0.0109	-0.003	0.9118
-159	0.0049	0.0002	-0.0013	0.0054	-0.0036	0.0009	1.0011	0.9967	0.0066	-0.0033	0.9177
diff --git a/tools/anndata/test-data/inspect.general.txt b/tools/anndata/test-data/inspect.general.txt
index 2c4e3fdd3b7..82674ac4934 100644
--- a/tools/anndata/test-data/inspect.general.txt
+++ b/tools/anndata/test-data/inspect.general.txt
@@ -1,3 +1,3 @@
-AnnData object with n_obs × n_vars = 640 × 11
+AnnData object with n_obs × n_vars = 500 × 11
     obs: 'cell_type'
-    uns: 'cell_type_colors', 'highlights', 'iroot'
+    uns: 'highlights', 'iroot'
diff --git a/tools/anndata/test-data/inspect.obs.tabular b/tools/anndata/test-data/inspect.obs.tabular
index bc5d2b24ed6..5945b2c3f30 100644
--- a/tools/anndata/test-data/inspect.obs.tabular
+++ b/tools/anndata/test-data/inspect.obs.tabular
@@ -1,4 +1,4 @@
-index	cell_type
+	cell_type
 0	progenitor
 1	progenitor
 2	progenitor
@@ -499,143 +499,3 @@ index	cell_type
 17	progenitor
 18	progenitor
 19	progenitor
-20	progenitor
-21	progenitor
-22	progenitor
-23	progenitor
-24	progenitor
-25	progenitor
-26	progenitor
-27	progenitor
-28	progenitor
-29	progenitor
-30	progenitor
-31	progenitor
-32	progenitor
-33	progenitor
-34	progenitor
-35	progenitor
-36	progenitor
-37	progenitor
-38	progenitor
-39	progenitor
-40	progenitor
-41	progenitor
-42	progenitor
-43	progenitor
-44	progenitor
-45	progenitor
-46	progenitor
-47	progenitor
-48	progenitor
-49	progenitor
-50	progenitor
-51	progenitor
-52	progenitor
-53	progenitor
-54	progenitor
-55	progenitor
-56	progenitor
-57	progenitor
-58	progenitor
-59	progenitor
-60	progenitor
-61	progenitor
-62	progenitor
-63	progenitor
-64	progenitor
-65	progenitor
-66	progenitor
-67	progenitor
-68	progenitor
-69	progenitor
-70	progenitor
-71	progenitor
-72	progenitor
-73	progenitor
-74	progenitor
-75	progenitor
-76	progenitor
-77	progenitor
-78	progenitor
-79	progenitor
-80	Neu
-81	Neu
-82	Neu
-83	Neu
-84	Neu
-85	Neu
-86	Neu
-87	Neu
-88	Neu
-89	Neu
-90	Neu
-91	Neu
-92	Neu
-93	Neu
-94	Neu
-95	Neu
-96	Neu
-97	Neu
-98	Neu
-99	Neu
-100	Neu
-101	Neu
-102	Neu
-103	Neu
-104	Neu
-105	Neu
-106	Neu
-107	Neu
-108	Neu
-109	Neu
-110	Neu
-111	Neu
-112	Neu
-113	Neu
-114	Neu
-115	Neu
-116	Neu
-117	Neu
-118	Neu
-119	Neu
-120	Neu
-121	Neu
-122	Neu
-123	Neu
-124	Neu
-125	Neu
-126	Neu
-127	Neu
-128	Neu
-129	Neu
-130	Neu
-131	Neu
-132	Neu
-133	Neu
-134	Neu
-135	Neu
-136	Neu
-137	Neu
-138	Neu
-139	Neu
-140	Neu
-141	Neu
-142	Neu
-143	Neu
-144	Neu
-145	Neu
-146	Neu
-147	Neu
-148	Neu
-149	Neu
-150	Neu
-151	Neu
-152	Neu
-153	Neu
-154	Neu
-155	Neu
-156	Neu
-157	Neu
-158	Neu
-159	Neu
diff --git a/tools/anndata/test-data/inspect.var.tabular b/tools/anndata/test-data/inspect.var.tabular
index 45b3bd7f938..757aab61b6f 100644
--- a/tools/anndata/test-data/inspect.var.tabular
+++ b/tools/anndata/test-data/inspect.var.tabular
@@ -1,4 +1,4 @@
-index
+""
 Gata2
 Gata1
 Fog1
diff --git a/tools/anndata/test-data/krumsiek11.h5ad b/tools/anndata/test-data/krumsiek11.h5ad
index 43827d3e458..aa445be0f47 100644
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diff --git a/tools/anndata/test-data/krumsiek11.loom b/tools/anndata/test-data/krumsiek11.loom
index 689c92b28ca..09948bd79b7 100644
Binary files a/tools/anndata/test-data/krumsiek11.loom and b/tools/anndata/test-data/krumsiek11.loom differ
diff --git a/tools/anndata/test-data/manipulate.add_annotation_obs.h5ad b/tools/anndata/test-data/manipulate.add_annotation_obs.h5ad
index 0ed994d37e3..d66c954a7e7 100644
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diff --git a/tools/anndata/test-data/manipulate.add_annotation_var.h5ad b/tools/anndata/test-data/manipulate.add_annotation_var.h5ad
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diff --git a/tools/anndata/test-data/manipulate.concatenate.h5ad b/tools/anndata/test-data/manipulate.concatenate.h5ad
index d54456bf1e6..ceeef9c9247 100644
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diff --git a/tools/anndata/test-data/manipulate.filter_obs_key.h5ad b/tools/anndata/test-data/manipulate.filter_obs_key.h5ad
index 20e44c62615..e183f1f860e 100644
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diff --git a/tools/anndata/test-data/manipulate.filter_var_index.h5ad b/tools/anndata/test-data/manipulate.filter_var_index.h5ad
index f653f8c0c9d..09e70420b39 100644
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diff --git a/tools/anndata/test-data/manipulate.obs_names_make_unique.h5ad b/tools/anndata/test-data/manipulate.obs_names_make_unique.h5ad
index da9e782c299..2719c8d8514 100644
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diff --git a/tools/anndata/test-data/manipulate.rename_categories.h5ad b/tools/anndata/test-data/manipulate.rename_categories.h5ad
index a6005d8c4e4..ff23ba05d01 100644
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diff --git a/tools/anndata/test-data/manipulate.save_raw.h5ad b/tools/anndata/test-data/manipulate.save_raw.h5ad
index b8737d288fa..34a62de4306 100644
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diff --git a/tools/anndata/test-data/manipulate.strings_to_categoricals.h5ad b/tools/anndata/test-data/manipulate.strings_to_categoricals.h5ad
index 8b841fb5a99..ff23ba05d01 100644
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diff --git a/tools/anndata/test-data/manipulate.transpose.h5ad b/tools/anndata/test-data/manipulate.transpose.h5ad
index 9c3fa11bc07..19fb7c2e05a 100644
Binary files a/tools/anndata/test-data/manipulate.transpose.h5ad and b/tools/anndata/test-data/manipulate.transpose.h5ad differ
diff --git a/tools/anndata/test-data/manipulate.var_names_make_unique.h5ad b/tools/anndata/test-data/manipulate.var_names_make_unique.h5ad
index 769f7ff687c..ff23ba05d01 100644
Binary files a/tools/anndata/test-data/manipulate.var_names_make_unique.h5ad and b/tools/anndata/test-data/manipulate.var_names_make_unique.h5ad differ
diff --git a/tools/anndata/test-data/obs_add_annotation.tabular b/tools/anndata/test-data/obs_add_annotation.tabular
index 1aa798e5f63..69ee7bdc2d9 100644
--- a/tools/anndata/test-data/obs_add_annotation.tabular
+++ b/tools/anndata/test-data/obs_add_annotation.tabular
@@ -499,143 +499,3 @@ annot1	annot2
 17	progenitor
 18	progenitor
 19	progenitor
-20	progenitor
-21	progenitor
-22	progenitor
-23	progenitor
-24	progenitor
-25	progenitor
-26	progenitor
-27	progenitor
-28	progenitor
-29	progenitor
-30	progenitor
-31	progenitor
-32	progenitor
-33	progenitor
-34	progenitor
-35	progenitor
-36	progenitor
-37	progenitor
-38	progenitor
-39	progenitor
-40	progenitor
-41	progenitor
-42	progenitor
-43	progenitor
-44	progenitor
-45	progenitor
-46	progenitor
-47	progenitor
-48	progenitor
-49	progenitor
-50	progenitor
-51	progenitor
-52	progenitor
-53	progenitor
-54	progenitor
-55	progenitor
-56	progenitor
-57	progenitor
-58	progenitor
-59	progenitor
-60	progenitor
-61	progenitor
-62	progenitor
-63	progenitor
-64	progenitor
-65	progenitor
-66	progenitor
-67	progenitor
-68	progenitor
-69	progenitor
-70	progenitor
-71	progenitor
-72	progenitor
-73	progenitor
-74	progenitor
-75	progenitor
-76	progenitor
-77	progenitor
-78	progenitor
-79	progenitor
-80	Neu
-81	Neu
-82	Neu
-83	Neu
-84	Neu
-85	Neu
-86	Neu
-87	Neu
-88	Neu
-89	Neu
-90	Neu
-91	Neu
-92	Neu
-93	Neu
-94	Neu
-95	Neu
-96	Neu
-97	Neu
-98	Neu
-99	Neu
-100	Neu
-101	Neu
-102	Neu
-103	Neu
-104	Neu
-105	Neu
-106	Neu
-107	Neu
-108	Neu
-109	Neu
-110	Neu
-111	Neu
-112	Neu
-113	Neu
-114	Neu
-115	Neu
-116	Neu
-117	Neu
-118	Neu
-119	Neu
-120	Neu
-121	Neu
-122	Neu
-123	Neu
-124	Neu
-125	Neu
-126	Neu
-127	Neu
-128	Neu
-129	Neu
-130	Neu
-131	Neu
-132	Neu
-133	Neu
-134	Neu
-135	Neu
-136	Neu
-137	Neu
-138	Neu
-139	Neu
-140	Neu
-141	Neu
-142	Neu
-143	Neu
-144	Neu
-145	Neu
-146	Neu
-147	Neu
-148	Neu
-149	Neu
-150	Neu
-151	Neu
-152	Neu
-153	Neu
-154	Neu
-155	Neu
-156	Neu
-157	Neu
-158	Neu
-159	Neu
diff --git a/tools/anndata/test-data/pp.neighbors_umap_euclidean.recipe_weinreb17.paul15_subsample.h5ad b/tools/anndata/test-data/pp.neighbors_umap_euclidean.recipe_weinreb17.paul15_subsample.h5ad
index c6df4850248..4c2dfd2dca0 100644
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index 7e468260d22..ca4b81667f5 100644
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index cd3d74c96e4..9263b8f153c 100644
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index 38861115bed..2aafbdbf2b5 100644
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