[Audio] Hotfix an edge case where an attribute error can be raised (#3328)

* Limit Playlists

Signed-off-by: Drapersniper <27962761+drapersniper@users.noreply.github.com>

* Hotfix

Signed-off-by: Drapersniper <27962761+drapersniper@users.noreply.github.com>

* Hotfix

Signed-off-by: Drapersniper <27962761+drapersniper@users.noreply.github.com>

redbot/cogs/audio/apis.py

@@ -750,6 +750,8 @@ class MusicCache:
                 log.debug(f"Querying Local Database for {query}")
                 task = ("update", ("lavalink", {"query": query}))
                 self.append_task(ctx, *task)
+            else:
+                val = None
         if val and not forced:
             data = val
             data["query"] = query

redbot/cogs/audio/databases.py

@@ -91,6 +91,8 @@ class CacheFetchResult:
             k in self.query for k in ["loadType", "playlistInfo", "isSeekable", "isStream"]
         ):
             self.query = json.loads(self.query)
+        else:
+            self.query = None
 
 
 @dataclass