simplify

pandas-dev · jreback · Dec 27, 2019 · Dec 5, 2019 · Dec 5, 2019 · Dec 5, 2019
commit bfdfccf2304255c95c7d8169ba18ae2d026c444b
diff --git a/pandas/core/frame.py b/pandas/core/frame.py
@@ -2595,6 +2595,7 @@ def transpose(self, *args, copy=False, **kwargs):
         1    object
         dtype: object
         """
+        nv.validate_transpose(args, dict())
         if args == () or args == (None,):
             args = (1, 0)
         else:

diff --git a/pandas/tests/extension/base/reshaping.py b/pandas/tests/extension/base/reshaping.py
@@ -309,3 +309,5 @@ def test_transpose(self, data):
             index=["A", "B"],
         )
         self.assert_frame_equal(result, expected)
+
+        self.assert_frame_equal(np.transpose(np.transpose(expected)), expected)
diff --git a/pandas/tests/extension/json/test_json.py b/pandas/tests/extension/json/test_json.py
@@ -162,6 +162,10 @@ def test_unstack(self, data, index):
         # this matches otherwise
         return super().test_unstack(data, index)
 
+    @pytest.mark.skip(reason="Inconsistent sizes.")
+    def test_transpose(self, data):
+        super().test_transpose(data)
+
 
 class TestGetitem(BaseJSON, base.BaseGetitemTests):
     pass