code: def stats_tube(self, tube_name):
          
          with self._sock_ctx() as socket:
              self._send_message('stats-tube {0}'.format(tube_name), socket)
              body = self._receive_data_with_prefix(b'OK', socket)
              return yaml_load(body)
docs: Fetch statistics about a single tube
  
          :param tube_name: Tube to fetch stats about
          :rtype: dict