Disallow empty sequences in Guild.query_members user_id parameter

discord/guild.py

@@ -2223,6 +2223,9 @@ class Guild(Hashable):
         if user_ids is not None and query is not None:
             raise ValueError('Cannot pass both query and user_ids')
 
+        if user_ids is not None and not user_ids:
+            raise ValueError('user_ids must contain at least 1 value')
+
         limit = min(100, limit or 5)
         return await self._state.query_members(self, query=query, limit=limit, user_ids=user_ids, presences=presences, cache=cache)