Convert formatting to use ruff instead of yapf + isort (#26247)

Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>

tests/entrypoints/openai/test_shutdown.py

@@ -24,16 +24,13 @@ async def test_shutdown_on_engine_failure():
 
     with RemoteOpenAIServer(MODEL_NAME, args) as remote_server:
         async with remote_server.get_async_client() as client:
-
-            with pytest.raises(
-                (openai.APIConnectionError, openai.InternalServerError)):
+            with pytest.raises((openai.APIConnectionError, openai.InternalServerError)):
                 # Asking for lots of prompt logprobs will currently crash the
                 # engine. This may change in the future when that bug is fixed
                 prompt = "Hello " * 4000
                 await client.completions.create(
-                    model=MODEL_NAME,
-                    prompt=prompt,
-                    extra_body={"prompt_logprobs": 10})
+                    model=MODEL_NAME, prompt=prompt, extra_body={"prompt_logprobs": 10}
+                )
 
             # Now the server should shut down
             return_code = remote_server.proc.wait(timeout=8)