fix: multiprocessing problems

app/lib/artistlib.py

@@ -1,9 +1,8 @@
-import math
 import os
 import time
+import random
 import urllib
 import requests
-import multiprocessing
 
 from io import BytesIO
 from pathlib import Path
@@ -29,8 +28,6 @@ LARGE_ENOUGH_NUMBER = 100
 PngImagePlugin.MAX_TEXT_CHUNK = LARGE_ENOUGH_NUMBER * (1024**2)
 # https://stackoverflow.com/a/61466412
 
-import random
-
 
 def get_artist_image_link(artist: str):
     """

app/lib/tagger.py

@@ -69,7 +69,7 @@ class IndexTracks:
                 extract_thumb(
                     track["filepath"], track["albumhash"] + ".webp", overwrite=True
                 )
-            except FileNotFoundError:
+            except (FileNotFoundError, KeyError):
                 continue
 
     @staticmethod