check for prefix

Author: SeungjinYang

sky/client/sdk.py

@@ -2106,7 +2106,9 @@ def stream_and_get(
     stream_request_id: Optional[server_common.RequestId[
         T]] = server_common.get_stream_request_id(response)
     if request_id is not None and stream_request_id is not None:
-        assert request_id == stream_request_id
+        assert stream_request_id.startswith(request_id), (
+            f'Stream request ID {stream_request_id} does not start with '
+            f'request ID {request_id}')
     if request_id is None:
         request_id = stream_request_id
     elif response.status_code != 200: