Fix typing hints

src/podcast.py

@@ -1,5 +1,5 @@
 import os
-from typing import Optional
+from typing import Optional, Tuple
 
 from librespot.audio.decoders import VorbisOnlyAudioQuality
 from librespot.metadata import EpisodeId
@@ -14,7 +14,7 @@ EPISODE_INFO_URL = 'https://api.spotify.com/v1/episodes'
 SHOWS_URL = 'https://api.spotify.com/v1/shows'
 
 
-def get_episode_info(episode_id_str) -> tuple[Optional[str], Optional[str]]:
+def get_episode_info(episode_id_str) -> Tuple[Optional[str], Optional[str]]:
     info = ZSpotify.invoke_url(f'{EPISODE_INFO_URL}/{episode_id_str}')
     if ERROR in info:
         return None, None

src/track.py

@@ -1,6 +1,6 @@
 import os
 import time
-from typing import Any
+from typing import Any, Tuple, List
 
 from librespot.audio.decoders import AudioQuality
 from librespot.metadata import TrackId
@@ -31,7 +31,7 @@ def get_saved_tracks() -> list:
     return songs
 
 
-def get_song_info(song_id) -> tuple[list[str], str, str, Any, Any, Any, Any, Any, Any]:
+def get_song_info(song_id) -> Tuple[List[str], str, str, Any, Any, Any, Any, Any, Any]:
     """ Retrieves metadata for downloaded songs """
     info = ZSpotify.invoke_url(f'{TRACKS_URL}?ids={song_id}&market=from_token')
 

src/utils.py

@@ -3,6 +3,7 @@ import platform
 import re
 import time
 from enum import Enum
+from typing import List, Tuple
 
 import music_tag
 import requests
@@ -27,7 +28,7 @@ def wait(seconds: int = 3) -> None:
         time.sleep(1)
 
 
-def split_input(selection) -> list[str]:
+def split_input(selection) -> List[str]:
     """ Returns a list of inputted strings """
     inputs = []
     if '-' in selection:
@@ -91,7 +92,7 @@ def set_music_thumbnail(filename, image_url) -> None:
     tags.save()
 
 
-def regex_input_for_urls(search_input) -> tuple[str, str, str, str, str, str]:
+def regex_input_for_urls(search_input) -> Tuple[str, str, str, str, str, str]:
     """ Since many kinds of search may be passed at the command line, process them all here. """
     track_uri_search = re.search(
         r'^spotify:track:(?P<TrackID>[0-9a-zA-Z]{22})$', search_input)