Fix search_categories KeyError

Author: chillymosh

docs/changelog.rst

@@ -1,5 +1,10 @@
 :orphan:
 
+Master
+======
+- TwitchIO
+    - Bug fixes
+        - Fix :func:`~twitchio.Client.search_categories` due to :attr:`~twitchio.Game.igdb_id` being added to :class:`~twitchio.Game`
 
 2.6.0
 ======

twitchio/models.py

@@ -622,7 +622,7 @@ def __init__(self, data: dict):
         self.id: int = int(data["id"])
         self.name: str = data["name"]
         self.box_art_url: str = data["box_art_url"]
-        self.igdb_id: Optional[int] = int(data["igdb_id"]) if data["igdb_id"] else None
+        self.igdb_id: Optional[int] = data.get("igdb_id") and int(data["igdb_id"])
 
     def __repr__(self):
         return f"<Game id={self.id} name={self.name}>"