From 1cecf7331cb182f4d350a32f593ad7ad828dba1e Mon Sep 17 00:00:00 2001
From: Phil Schaf <flying-sheep@web.de>
Date: Tue, 1 Oct 2024 16:13:21 +0200
Subject: [PATCH] simpler

---
 tests/test_readwrite.py | 13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/tests/test_readwrite.py b/tests/test_readwrite.py
index e729f4ace..04d20d272 100644
--- a/tests/test_readwrite.py
+++ b/tests/test_readwrite.py
@@ -661,15 +661,9 @@ def random_cats(n):
 
 
 def test_write_string_type_error(tmp_path, diskfmt):
-    adata = ad.AnnData(
-        obs=pd.DataFrame(
-            np.ones((3, 2)),
-            columns=["a", np.str_("b")],
-            index=["a", "b", "c"],
-        ),
-    )
-
+    adata = ad.AnnData(obs=dict(obs_names=list("abc")))
     adata.obs[b"c"] = np.zeros(3)
+
     # This should error, and tell you which key is at fault
     with pytest.raises(TypeError, match=r"writing key 'obs'") as exc_info:
         getattr(adata, f"write_{diskfmt}")(tmp_path / f"adata.{diskfmt}")
@@ -726,9 +720,6 @@ def roundtrip(diskfmt):
     return partial(_do_roundtrip, diskfmt=diskfmt)
 
 
-diskfmt2 = diskfmt
-
-
 def test_write_string_types(tmp_path, diskfmt, roundtrip):
     # https://github.com/scverse/anndata/issues/456
     adata_pth = tmp_path / f"adata.{diskfmt}"