code: def populate(self, priority, address, rtr, data):
          
          assert isinstance(data, bytes)
          self.needs_high_priority(priority)
          self.needs_no_rtr(rtr)
          self.needs_data(data, 4)
          self.set_attributes(priority, address, rtr)
          self.relay_channels = self.byte_to_channels(data)
          (self.delay_time,) = struct.unpack('>L', bytes([0]) + data[1:])
docs: :return: None