linter

pandas/tests/arrays/test_integer.py

@@ -59,7 +59,7 @@ def test_dtypes(dtype):
     assert dtype.name is not None
 
 
-class TestInterface:
+class TestInterface(object):
 
     def test_repr_array(self, data):
         result = repr(data)
@@ -79,7 +79,7 @@ def test_repr_array_long(self, data):
             assert 'length' in result
 
 
-class TestConstructors:
+class TestConstructors(object):
 
     def test_from_dtype_from_float(self, data):
         # construct from our dtype & string dtype
@@ -318,7 +318,7 @@ def test_compare_array(self, data, all_compare_operators):
         self._compare_other(s, data, op_name, other)
 
 
-class TestCasting:
+class TestCasting(object):
     pass
 
     @pytest.mark.parametrize('dropna', [True, False])

pandas/tests/arrays/test_interval.py

@@ -23,7 +23,7 @@ def left_right_dtypes(request):
     return request.param
 
 
-class TestMethods:
+class TestMethods(object):
 
     @pytest.mark.parametrize('repeats', [0, 1, 5])
     def test_repeat(self, left_right_dtypes, repeats):
@@ -51,7 +51,7 @@ def test_set_closed(self, closed, new_closed):
         tm.assert_extension_array_equal(result, expected)
 
 
-class TestSetitem:
+class TestSetitem(object):
 
     def test_set_na(self, left_right_dtypes):
         left, right = left_right_dtypes