code: def assert_called_with(_mock_self, *args, **kwargs):
          
          self = _mock_self
          if self.call_args is None:
              expected = self._format_mock_call_signature(args, kwargs)
              raise AssertionError('Expected call: %s\nNot called' % (expected,))
  
          if self.call_args != (args, kwargs):
              msg = self._format_mock_failure_message(args, kwargs)
              raise AssertionError(msg)
docs: assert that the mock was called with the specified arguments.
  
          Raises an AssertionError if the args and keyword args passed in are
          different to the last call to the mock.