def stream_slices(self, **kwargs) -> Iterable[Optional[Mapping[(str, any)]]]:
    channels_stream = Channels(authenticator=self.authenticator)
    for channel in channels_stream.read_records(sync_mode=SyncMode.full_refresh):
        (yield {'channel': channel['id'], 'channel_name': channel['name']})
def stream_slices(self, **kwargs) -> Iterable[Optional[Mapping[(str, any)]]]:
    channels_stream = Channels(authenticator=self.authenticator)
    for channel in channels_stream.read_records(sync_mode=SyncMode.full_refresh):
        (yield {'channel': channel['id'], 'channel_name': channel['name']})