Handle errors from model for comfyui-json

lib/metrics.py

@@ -45,7 +45,6 @@ class Metrics:
         self.model_metrics.workload_received += workload
         self.model_metrics.requests_recieved.add(reqnum)
         self.model_metrics.requests_working.add(reqnum)
-        self.update_pending = True
 
     def _request_end(self, workload: float, reqnum: int) -> None:
         """

workers/comfyui-json/server.py

@@ -33,6 +33,9 @@ log = logging.getLogger(__file__)
 async def generate_client_response(
         client_request: web.Request, model_response: ClientResponse
     ) -> Union[web.Response, web.StreamResponse]:
+        match model_response.status:
+            case 200:
+                log.debug("SUCCESS")
                 # Check if the response is actually streaming based on response headers/content-type
                 is_streaming_response = (
                     model_response.content_type == "text/event-stream"
@@ -59,6 +62,9 @@ async def generate_client_response(
                         status=model_response.status,
                         content_type=model_response.content_type
                     )
+            case code:
+                log.debug(f"Model responded with error {code}")
+                return web.Response(status=code)
                 
 
 @dataclasses.dataclass