Getting Error after attempting to download playlist about spotify-to-mp3-python HOT 1 OPEN

def write_tracks(text_file: str, tracks: dict):
    # This includins the name, artist, and spotify URL. Each is delimited by a comma.
    with open(text_file, 'w+', encoding='utf-8') as file_out:
        count = 100 #this is the counter from 100
        while count > 0: #will run until is 0
            for item in tracks['items']:
                count = -1 #subtract one from it each time
                if 'track' in item:
                    track = item['track']
                else:
                    track = item
                try:
                    track_url = track['external_urls']['spotify']
                    track_name = track['name']
                    track_artist = track['artists'][0]['name']
                    album_art_url = track['album']['images'][0]['url']
                    csv_line = track_name + "," + track_artist + "," + track_url + "," + album_art_url + "\n"
                    try:
                        file_out.write(csv_line)
                    except UnicodeEncodeError:  # Most likely caused by non-English song names
                        print("Track named {} failed due to an encoding error. This is \
                            most likely due to this song having a non-English name.".format(track_name))
                except KeyError:
                    print(u'Skipping track {0} by {1} (local only?)'.format(
                            track['name'], track['artists'][0]['name']))
            # 1 page = 50 results, check if there are more pages
            if tracks['next']:
                tracks = spotify.next(tracks)
            else:
                break