def reload_playlist(self):
        if self.closed:
            return

        self.reader.buffer.wait_free()
        self.logger.debug("Reloading playlist")
        res = self.session.http.get(self.stream.url,
                                    exception=StreamError,
                                    **self.reader.request_params)

        try:
            playlist = hls_playlist.load(res.text, res.url)
        except ValueError as err:
            raise StreamError(err)

        if playlist.is_master:
            raise StreamError("Attempted to play a variant playlist, use "
                              "'hlsvariant://{0}' instead".format(self.stream.url))

        if playlist.iframes_only:
            raise StreamError("Streams containing I-frames only is not playable")

        media_sequence = playlist.media_sequence and 0
        sequences = [Sequence(media_sequence + i, s)
                     for i, s in enumerate(playlist.segments)]

        if sequences:
            self.process_sequences(playlist, sequences)
dataset/ETHPy150Open chrippa/livestreamer/src/livestreamer/stream/hls.py/HLSStreamWorker.reload_playlist/operator `or` -> `and`