minor typing change

src/pipecat/transports/services/helpers/daily_rest.py

@@ -288,7 +288,7 @@ class DailyRESTHelper:
         room_url: str,
         expiry_time: float = 60 * 60,
         owner: bool = True,
-        params: DailyMeetingTokenParams = None,
+        params: Optional[DailyMeetingTokenParams] = None,
     ) -> str:
         """Generate a meeting token for user to join a Daily room.