old_contents: from pprint import pformat
  
  
  def assert_calls_equal(expected, actual):
      """
      Check whether the given mock object (or mock method) calls are equal and
      return a nicely formatted message.
      """
      if not expected == actual:
          raise_calls_differ_error(expected, actual)
  
  
  def raise_calls_differ_error(expected, actual):
      """"
      Raise an AssertionError with pretty print format for the given expected
      and actual mock calls in order to ensure consistent print style for better
      readability.
      """
      expected_str = pformat(expected)
      actual_str = pformat(actual)
      msg = '\nMock calls differ!\nExpected calls:\n%s\nActual calls:\n%s' % (expected_str,
                                                                              actual_str)
      raise AssertionError(msg)
  
  
  def assert_calls_equal_unsorted(expected, actual):
      """
      Raises an AssertionError if the two iterables do not contain the same items.
  
      The order of the items is ignored
      """
      for expected in expected:
          if expected not in actual:
              raise_calls_differ_error(expected, actual)
  
new_contents: from pprint import pformat
  
  
  def assert_calls_equal(expected, actual):
      """
      Check whether the given mock object (or mock method) calls are equal and
      return a nicely formatted message.
      """
      if not expected == actual:
          raise_calls_differ_error(expected, actual)
  
  
  def raise_calls_differ_error(expected, actual):
      """
      Raise an AssertionError with pretty print format for the given expected
      and actual mock calls in order to ensure consistent print style for better
      readability.
      """
      expected_str = pformat(expected)
      actual_str = pformat(actual)
      msg = '\nMock calls differ!\nExpected calls:\n%s\nActual calls:\n%s' % (expected_str,
                                                                              actual_str)
      raise AssertionError(msg)
  
  
  def assert_calls_equal_unsorted(expected, actual):
      """
      Raises an AssertionError if the two iterables do not contain the same items.
  
      The order of the items is ignored
      """
      for expected in expected:
          if expected not in actual:
              raise_calls_differ_error(expected, actual)
  
subject: Remove extraneous quote in asserter dockstring