revert style change

Author: holymonson

pandas/tests/frame/test_arithmetic.py

@@ -213,6 +213,7 @@ def test_df_sub_datetime64_not_ns(self):
         tm.assert_frame_equal(res, expected)
 
     def test_timestamp_df_add_dateoffset(self):
+        # GH 21610
         expected = pd.DataFrame([pd.Timestamp('2019')])
         result = pd.DataFrame([pd.Timestamp('2018')]) + pd.DateOffset(years=1)
         tm.assert_frame_equal(expected, result)
@@ -229,6 +230,7 @@ def test_timestamp_df_add_dateoffset(self):
         datetime.date(2017, 1, 1),
     ])
     def test_timestamp_df_sub_timestamp(self, other):
+        # GH 8554 12437
         expected = pd.DataFrame([pd.Timedelta('365d')])
         result = pd.DataFrame([pd.Timestamp('2018')]) - other
         tm.assert_frame_equal(expected, result)

pandas/tests/internals/test_internals.py

@@ -1248,16 +1248,14 @@ class TestCanHoldElement(object):
         operator.pow,
     ], ids=lambda x: x.__name__)
     def test_binop_other(self, op, value, dtype):
-        skip = {
-            (operator.add, 'bool'),
-            (operator.sub, 'bool'),
-            (operator.mul, 'bool'),
-            (operator.truediv, 'bool'),
-            (operator.mod, 'i8'),
-            (operator.mod, 'complex128'),
-            (operator.mod, '<m8[ns]'),
-            (operator.pow, 'bool'),
-        }
+        skip = {(operator.add, 'bool'),
+                (operator.sub, 'bool'),
+                (operator.mul, 'bool'),
+                (operator.truediv, 'bool'),
+                (operator.mod, 'i8'),
+                (operator.mod, 'complex128'),
+                (operator.mod, '<m8[ns]'),
+                (operator.pow, 'bool')}
         if (op, dtype) in skip:
             pytest.skip("Invalid combination {},{}".format(op, dtype))
         e = DummyElement(value, dtype)