code: def _pack(self, seq='SEQUNSET'):
          '''
          Packs the command into *bytes*
  
          :param seq: sequence number
          :rtype: bytes
          '''
  
          return 'AT*{clsname}={seq}{argl_wc}\r'.format(
              clsname=type(self).__name__,
              seq=seq,
              argl_wc=b''.join(self._iter_packed_with_comma()).decode()
          ).encode(f _pack(self, seq='SEQUNSET'):
          '''
          Packs the command into *bytes*
  
          :param seq: sequence number
          :rtype: bytes
          '''
  
          return 'AT*{clsname}={seq}{argl_wc}\r'.format(
              clsname=type(self).__name__,
              seq=seq,
              argl_wc=b''.join(self._iter_packed_with_comma()).decode()
          ).encode()
docs: Packs the command into *bytes*
  
          :param seq: sequence number
          :rtype: bytes