Clean up music.py interface

app/music.py

@@ -91,7 +91,7 @@ class Music:
             return None
         return self.player.get_position()
 
-    def play(self, path: str, position: Optional[float] = None) -> Optional[int]:
+    def play(self, path: str, position: Optional[float] = None) -> None:
         """
         Start playing the track at path.
 
@@ -102,19 +102,15 @@ class Music:
             log.error(f"play({path}): path not readable")
             return None
 
-        status = -1
-
         media = self.VLC.media_new_path(path)
         self.player = media.player_new_from_media()
         if self.player:
-            status = self.player.play()
+            _ = self.player.play()
             self.set_volume(self.max_volume)
             if position:
                 self.player.set_position(position)
 
-        return status
-
-    def set_volume(self, volume=None, set_default=True):
+    def set_volume(self, volume=None, set_default=True) -> None:
         """Set maximum volume used for player"""
 
         if not self.player: