code: def _create_channel(self, channel):
          
          super()._create_channel(channel)
          if 'EXCEPTS' in self._isupport:
              self.channels[channel]['exceptlist'] = None
          if 'INVEX' in self._isupport:
              self.channels[channel]['inviteexceptlist'] = None
docs: Create channel with optional ban and invite exception lists.