remove unnecessary test

Stephen Randall · Stephen Randall · commit be32ee12d994 · 2025-06-20T00:31:10.000-04:00
diff --git a/tests/test_frame.py b/tests/test_frame.py
@@ -3124,12 +3124,6 @@ def test_frame_stack() -> None:
             assert_type(df_multi_level_cols2.stack(0), Union[pd.DataFrame, pd.Series]),
             pd.DataFrame,
         )
-        check(
-            assert_type(
-                df_multi_level_cols2.stack([0]), Union[pd.DataFrame, pd.Series]
-            ),
-            pd.DataFrame,
-        )
         check(
             assert_type(
                 df_multi_level_cols2.stack([0, 1]),
