# Buggy code
def save_subtitles(video, subtitles, single=False, directory=None, encoding=None):
    """Save subtitles on filesystem.

    Subtitles are saved in the order of the list. If a subtitle with a language has already been saved, other subtitles
    with the same language are silently ignored.

    The extension used is `.lang.srt` by default or `.srt` is `single` is `True`, with `lang` being the IETF code for
    the :attr:`~subliminal.subtitle.Subtitle.language` of the subtitle.

    :param video: video of the subtitles.
    :type video: :class:`~subliminal.video.Video`
    :param subtitles: subtitles to save.
    :type subtitles: list of :class:`~subliminal.subtitle.Subtitle`
    :param bool single: save a single subtitle, default is to save one subtitle per language.
    :param str directory: path to directory where to save the subtitles, default is next to the video.
    :param str encoding: encoding in which to save the subtitles, default is to keep original encoding.
    :return: the saved subtitles
    :rtype: list of :class:`~subliminal.subtitle.Subtitle`

    """
    saved_subtitles = []
    for subtitle in subtitles:
        # check content
        if subtitle.content is None:
            logger.error("Skipping subtitle %r: no content", subtitle)
            continue

        # check language
        if subtitle.language in set(s.language for s in saved_subtitles):
            logger.debug("Skipping subtitle %r: language already saved", subtitle)
            continue

        # create subtitle path
        subtitle_path = None
        subtitle_path = get_subtitle_path(
            video.name, None if single else subtitle.language
        )
        if directory is not None:
            subtitle_path = os.path.join(directory, os.path.split(subtitle_path)[1])

        # save content as is or in the specified encoding
        logger.info("Saving %r to %r", subtitle, subtitle_path)
        if encoding is None:
            with io.open(subtitle_path, "wb") as f:
                f.write(subtitle.content)
        else:
            with io.open(subtitle_path, "w", encoding=encoding) as f:
                f.write(subtitle.text)
        saved_subtitles.append(subtitle)

        # check single
        if single:
            break

    return [saved_subtitles, subtitle_path]


# Traceback (UnboundLocalError)
Traceback (most recent call last):
File "c:\\bazarr\\get_subtitle.py", line 215, in manual_download_subtitle
result = save_subtitles(video, [best_subtitle], single=True, encoding=\utf-8\)
File "c:\\bazarr\\libs/subliminal\\core.py", line 771, in save_subtitles
return [saved_subtitles, subtitle_path]
UnboundLocalError: local variable \subtitle_path\ referenced before assignment

# Fixed code
def save_subtitles(video, subtitles, single=False, directory=None, encoding=None):
    """Save subtitles on filesystem.

    Subtitles are saved in the order of the list. If a subtitle with a language has already been saved, other subtitles
    with the same language are silently ignored.

    The extension used is `.lang.srt` by default or `.srt` is `single` is `True`, with `lang` being the IETF code for
    the :attr:`~subliminal.subtitle.Subtitle.language` of the subtitle.

    :param video: video of the subtitles.
    :type video: :class:`~subliminal.video.Video`
    :param subtitles: subtitles to save.
    :type subtitles: list of :class:`~subliminal.subtitle.Subtitle`
    :param bool single: save a single subtitle, default is to save one subtitle per language.
    :param str directory: path to directory where to save the subtitles, default is next to the video.
    :param str encoding: encoding in which to save the subtitles, default is to keep original encoding.
    :return: the saved subtitles
    :rtype: list of :class:`~subliminal.subtitle.Subtitle`

    """
    saved_subtitles = []
    for subtitle in subtitles:
        # check content
        if subtitle.content is None:
            logger.error("Skipping subtitle %r: no content", subtitle)
            continue

        # check language
        if subtitle.language in set(s.language for s in saved_subtitles):
            logger.debug("Skipping subtitle %r: language already saved", subtitle)
            continue

        # create subtitle path
        subtitle_path = get_subtitle_path(
            video.name, None if single else subtitle.language
        )
        if directory is not None:
            subtitle_path = os.path.join(directory, os.path.split(subtitle_path)[1])

        # save content as is or in the specified encoding
        logger.info("Saving %r to %r", subtitle, subtitle_path)
        if encoding is None:
            with io.open(subtitle_path, "wb") as f:
                f.write(subtitle.content)
        else:
            with io.open(subtitle_path, "w", encoding=encoding) as f:
                f.write(subtitle.text)
        saved_subtitles.append(subtitle)

        # check single
        if single:
            break

    return saved_subtitles