code: def delete(self, space_no, *args):
          
          d = self.replyQueue.get()
          packet = RequestDelete(self.charset, self.errors, d._ipro_request_id, space_no, 0, *args)
          self.transport.write(bytes(packet))
          return d.addCallback(self.handle_reply, self.charset, self.errors, None)
docs: delete tuple by primary key