fixup! API: Accept 'axis' keyword argument for reindex

Author: TomAugspurger

pandas/tests/frame/test_alter_axes.py

@@ -868,6 +868,9 @@ def test_rename_axis_style(self):
         result = df.rename({'X': 'x', 'Y': 'y'}, axis='index')
         assert_frame_equal(result, expected)
 
+        result = df.rename(index=str.lower, axis=0)
+        assert_frame_equal(result, expected)
+
     def test_rename_mapper_multi(self):
         df = pd.DataFrame({"A": ['a', 'b'], "B": ['c', 'd'],
                            'C': [1, 2]}).set_index(["A", "B"])
@@ -893,9 +896,6 @@ def test_rename_axis_style_raises(self):
         with tm.assert_raises_regex(TypeError, None):
             df.rename(index=str.lower, axis='columns')
 
-        with tm.assert_raises_regex(TypeError, None):
-            df.rename(index=str.lower, axis=0)
-
         with tm.assert_raises_regex(TypeError, None):
             df.rename(index=str.lower, axis='columns')