CLN: fix mypy errors in pandas/tests/extension/test_numpy.py pandas-dev#28926

Author: lukasbk

pandas/tests/extension/base/ops.py

@@ -1,4 +1,5 @@
 import operator
+from typing import Type, Union
 
 import pytest
 
@@ -61,10 +62,10 @@ class BaseArithmeticOpsTests(BaseOpsUtil):
     * divmod_exc = TypeError
     """
 
-    series_scalar_exc = TypeError
-    frame_scalar_exc = TypeError
-    series_array_exc = TypeError
-    divmod_exc = TypeError
+    series_scalar_exc = TypeError  # type: Union[Type[Exception], None]
+    frame_scalar_exc = TypeError  # type: Union[Type[Exception], None]
+    series_array_exc = TypeError  # type: Union[Type[Exception], None]
+    divmod_exc = TypeError  # type: Union[Type[Exception], None]
 
     def test_arith_series_with_scalar(self, data, all_arithmetic_operators):
         # series & scalar

setup.cfg

@@ -166,9 +166,6 @@ ignore_errors=True
 [mypy-pandas.tests.extension.json.test_json]
 ignore_errors=True
 
-[mypy-pandas.tests.extension.test_numpy]
-ignore_errors=True
-
 [mypy-pandas.tests.extension.test_sparse]
 ignore_errors=True