return {channel_id: channel}

def _get_initialized_channels_dict_for_service(self, org_id, service_id):
        '''return {channel_id: channel}'''
        fn = self._get_channels_info_file(org_id, service_id)
        if (os.path.isfile(fn)):
            return pickle.load( open( fn, "rb" ) )
        else:
            return {}