[serve] re-enable tests (#40717)

run tests

Author: gante

setup.py

@@ -364,6 +364,7 @@ def run(self):
     + extras["retrieval"]
     + extras["modelcreation"]
     + extras["mistral-common"]
+    + extras["serving"]
 )
 
 extras["deepspeed-testing"] = extras["deepspeed"] + extras["testing"] + extras["optuna"] + extras["sentencepiece"]

src/transformers/commands/serving.py

@@ -687,10 +687,6 @@ async def lifespan(app: FastAPI):
             logger.warning_once(
                 "CORS allow origin is set to `*`. This is not recommended for production environments."
             )
-        else:
-            logger.warning_once(
-                "Some apps may require CORS. Consider launching the server with `--enable-cors` if you see errors."
-            )
 
         @app.post("/v1/chat/completions")
         def chat_completion(request: dict):