def filter_stream_urls(streams):
    """Create a list of valid stream URLs.

    Args:
        streams: stream dictionary from `get_streams()`

    Returns:
        list: list of string URLs for each unique stream

    """
    stream_urls = []
    for stream_url in [stream['attributes']['url'] for stream in streams['data']]:
        # Some links that pointed to Netflix are only 't', so ignore them
        if stream_url != 't' and len(stream_url):
            stream_url = f'https://{stream_url}' if not stream_url.startswith('http') else stream_url
            stream_urls.append(stream_url)
    return stream_urls