Handle null value for elapsed time in Music Assistant (#133597)

homeassistant/components/music_assistant/media_player.py

@@ -565,17 +565,13 @@ class MusicAssistantPlayer(MusicAssistantEntity, MediaPlayerEntity):
             # shuffle and repeat are not (yet) supported for external sources
             self._attr_shuffle = None
             self._attr_repeat = None
-            if TYPE_CHECKING:
-                assert player.elapsed_time is not None
-            self._attr_media_position = int(player.elapsed_time)
+            self._attr_media_position = int(player.elapsed_time or 0)
             self._attr_media_position_updated_at = (
                 utc_from_timestamp(player.elapsed_time_last_updated)
                 if player.elapsed_time_last_updated
                 else None
             )
-            if TYPE_CHECKING:
-                assert player.elapsed_time is not None
-            self._prev_time = player.elapsed_time
+            self._prev_time = player.elapsed_time or 0
             return
 
         if queue is None:

tests/components/music_assistant/fixtures/players.json

@@ -20,7 +20,7 @@
         "power",
         "enqueue"
       ],
-      "elapsed_time": 0,
+      "elapsed_time": null,
       "elapsed_time_last_updated": 0,
       "state": "idle",
       "volume_level": 20,