old_contents: import pytest
  from pandas.core.series import Series
  
  
  class TestSeriesValidate(object):
      """Tests for error handling related to data types of method arguments."""
      s = Series([1, 2, 3, 4, 5])
  
      def test_validate_bool_args(self):
          # Tests for error handling related to boolean arguments.
          invalid_values = [1, "True", [1, 2, 3], 5.0]
  
          for value in invalid_values:
              with pytest.raises(ValueError):
                  self.s.reset_index(inplace=value)
  
              with pytest.raises(ValueError):
                  self.s._set_name(name='hello', inplace=value)
  
              with pytest.raises(ValueError):
                  self.s.sort_values(inplace=value)
  
              with pytest.raises(ValueError):
                  self.s.sort_index(inplace=value)
  
              with pytest.raises(ValueError):
                  self.s.sort_index(inplace=value)
  
              with pytest.raises(ValueError):
                  self.s.rename(inplace=value)
  
              with pytest.raises(ValueError):
                  self.s.dropna(inplace=value)
  
new_contents: import pytest
  from pandas.core.series import Series
  
  
  class TestSeriesValidate(object):
      """Tests for error handling related to data types of method arguments."""
      s = Series([1, 2, 3, 4, 5])
  
      def test_validate_bool_args(self):
          # Tests for error handling related to boolean arguments.
          invalid_values = [1, "True", [1, 2, 3], 5.0]
  
          for value in invalid_values:
              with pytest.raises(ValueError):
                  self.s.reset_index(inplace=value)
  
              with pytest.raises(ValueError):
                  self.s._set_name(name='hello', inplace=value)
  
              with pytest.raises(ValueError):
                  self.s.sort_values(inplace=value)
  
              with pytest.raises(ValueError):
                  self.s.sort_index(inplace=value)
  
              with pytest.raises(ValueError):
                  self.s.rename(inplace=value)
  
              with pytest.raises(ValueError):
                  self.s.dropna(inplace=value)
  
subject: Remove duplicate Series sort_index check