From 37f5a03cf9a51c400a96254191aabcb151fca754 Mon Sep 17 00:00:00 2001
From: "Philipp A." <flying-sheep@web.de>
Date: Tue, 24 Oct 2023 18:35:16 +0200
Subject: [PATCH] it was necessary after all

---
 anndata/_core/anndata.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/anndata/_core/anndata.py b/anndata/_core/anndata.py
index f357dcd59..3fc67dd92 100644
--- 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(