fix the extra pd.Index([(1,)]) case

MarcoGorelli · MarcoGorelli · commit eb9c67ca1ffa · 2025-11-24T16:37:12.000Z
diff --git a/tests/indexes/test_indexes.py b/tests/indexes/test_indexes.py
@@ -1544,6 +1544,5 @@ def test_index_set_names() -> None:
         assert_type(mi.set_names({"elk": "beluga", "owl": "pig"}), pd.MultiIndex),
         pd.MultiIndex,
     )
-    check(
-        assert_type(pd.Index([(1,)]).set_names(1), pd.MultiIndex), pd.MultiIndex, tuple
-    )
+    mi = cast("pd.MultiIndex", pd.Index([(1,)]))
+    check(assert_type(mi.set_names(1), pd.MultiIndex), pd.MultiIndex, tuple)

Original file line number	Diff line number	Diff line change
`@@ -1544,6 +1544,5 @@ def test_index_set_names() -> None:`
`1544`	`1544`	`assert_type(mi.set_names({"elk": "beluga", "owl": "pig"}), pd.MultiIndex),`
`1545`	`1545`	`pd.MultiIndex,`
`1546`	`1546`	`)`
`1547`		`- check(`
`1548`		`- assert_type(pd.Index([(1,)]).set_names(1), pd.MultiIndex), pd.MultiIndex, tuple`
`1549`		`- )`
	`1547`	`+ mi = cast("pd.MultiIndex", pd.Index([(1,)]))`
	`1548`	`+ check(assert_type(mi.set_names(1), pd.MultiIndex), pd.MultiIndex, tuple)`