code: def __callbacks(self, msg):
              '''this method exists only to make profiling results easier to read'''
              if self.callback:
                  self.callback(msg, *self.callback_args, **self.callback_kwargsf __callbacks(self, msg):
              '''this method exists only to make profiling results easier to read'''
              if self.callback:
                  self.callback(msg, *self.callback_args, **self.callback_kwargs)
docs: this method exists only to make profiling results easier to read