fixup

Author: jorisvandenbossche

pandas/tests/frame/methods/test_select_dtypes.py

@@ -507,5 +507,4 @@ def test_select_dtype_object_and_str(self, using_infer_string):
             expected = df[["a", "c"]]
         else:
             expected = df[["c"]]
-        expected = df[["a", "c"]]
         tm.assert_frame_equal(result, expected)