[scrobbles] Fix mopidy lookup

vrobbler/apps/scrobbles/scrobblers.py

@@ -64,6 +64,7 @@ def mopidy_scrobble_media(post_data: dict, user_id: int) -> Scrobble:
         },
     )
 
+    album_id = None
     if media_type == Scrobble.MediaType.PODCAST_EPISODE:
         parsed_data = parse_mopidy_uri(post_data.get("mopidy_uri", ""))
         if not parsed_data:
@@ -81,16 +82,19 @@ def mopidy_scrobble_media(post_data: dict, user_id: int) -> Scrobble:
             album_name=post_data.get("album", ""),
             run_time_seconds=post_data.get("run_time", 900000),
         )
+        album_id = media_obj.album_id
 
     log = {}
     try:
-        log = {
-            "mopidy_source": post_data.get("mopidy_uri", "").split(":")[0],
-            "album_id": media_obj.album_id,
-            "raw_data": post_data,
-        }
+        mopidy_source = post_data.get("mopidy_uri", "").split(":")[0]
     except IndexError:
-        pass
+        mopidy_source = "Unknown"
+    log = {
+        "mopidy_source": mopidy_source,
+        "raw_data": post_data,
+    }
+    if album_id:
+        log["album_id"] = album_id
 
     return media_obj.scrobble_for_user(
         user_id,