code: def _next_channel_id(self):
          '''Return the next possible channel id.  Is a circular enumeration.'''
          self._channel_counter += 1
          if self._channel_counter >= self._channel_max:
              self._channel_counter = 1
          return self._channel_countef _next_channel_id(self):
          '''Return the next possible channel id.  Is a circular enumeration.'''
          self._channel_counter += 1
          if self._channel_counter >= self._channel_max:
              self._channel_counter = 1
          return self._channel_counter
docs: Return the next possible channel id.  Is a circular enumeration.