Format code with yapf

This commit fixes the style issues introduced in 3df41f0 according to the output
from yapf.

Details: https://deepsource.io/gh/kokarare1212/librespot-python/transform/8943cbb4-879c-4a5f-8f77-e14c8c5ac178/

librespot/metadata/ArtistId.py

@@ -18,15 +18,14 @@ class ArtistId(SpotifyId.SpotifyId):
         if matcher is not None:
             artist_id = matcher.group(1)
             return ArtistId(
-                Utils.bytes_to_hex(ArtistId._BASE62.decode(
-                    artist_id, 16)))
+                Utils.bytes_to_hex(ArtistId._BASE62.decode(artist_id, 16)))
         else:
             raise TypeError("Not a Spotify artist ID: {}".format(uri))
 
     @staticmethod
     def from_base62(base62: str) -> ArtistId:
-        return ArtistId(
-            Utils.bytes_to_hex(ArtistId._BASE62.decode(base62, 16)))
+        return ArtistId(Utils.bytes_to_hex(ArtistId._BASE62.decode(base62,
+                                                                   16)))
 
     @staticmethod
     def from_hex(hex_str: str) -> ArtistId: