it was necessary after all

scverse · Oct 24, 2023 · 37f5a03 · 37f5a03
1 parent 4a0792d
commit 37f5a03
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/anndata/_core/anndata.py b/anndata/_core/anndata.py
@@ -875,9 +875,10 @@ def _prep_dim_index(self, value, attr: str) -> pd.Index:
             value = pd.Index(value)
             if not isinstance(value.name, (str, type(None))):
                 value.name = None
-        if not (
-            isinstance(value, pd.RangeIndex)
-            or infer_dtype(value) in ("string", "bytes")
+        if (
+            len(value) > 0
+            and not isinstance(value, pd.RangeIndex)
+            and infer_dtype(value) not in ("string", "bytes")
         ):
             sample = list(value[: min(len(value), 5)])
             msg = dedent(