code: def check_additional_images(self, kwargs_ps, kwargs_lens):
          
          ra_image_list, dec_image_list = self._pointSource.image_position(kwargs_ps=kwargs_ps, kwargs_lens=kwargs_lens)
          if len(ra_image_list) > 0:
              if len(ra_image_list[0]) > self._param.num_point_source_images:
                  return True
          return False
docs: checks whether additional images have been found and placed in kwargs_ps
          :param kwargs_ps: point source kwargs
          :return: bool, True if more image positions are found than originally been assigned