fix types

Author: davidzhao

livekit-api/livekit/api/sip_service.py

@@ -434,11 +434,16 @@ async def create_sip_participant(
         """
         client_timeout: Optional[aiohttp.ClientTimeout] = None
         if timeout:
+            # obay user specified timeout
             client_timeout = aiohttp.ClientTimeout(total=timeout)
         elif create.wait_until_answered:
-            # ensure timeout isn't too short when using sync mode
-            if self._client._session.timeout and self._client._session.timeout.total < 10:
-                client_timeout = aiohttp.ClientTimeout(total=30)
+            # ensure default timeout isn't too short when using sync mode
+            if (
+                self._client._session.timeout
+                and self._client._session.timeout.total
+                and self._client._session.timeout.total < 20
+            ):
+                client_timeout = aiohttp.ClientTimeout(total=20)
 
         try:
             return await self._client.request(