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_chat_echo.py

@@ -23,7 +23,7 @@ def server():
         "--max-model-len",
         "4080",
         "--max-logprobs",  # test prompt_logprobs equal to -1
-        "151936"
+        "151936",
     ]
 
     with RemoteOpenAIServer(MODEL_NAME, args) as remote_server:
@@ -46,27 +46,26 @@ class TestCase(NamedTuple):
     "test_case",
     [
         TestCase(model_name=MODEL_NAME, echo=True),
-        TestCase(model_name=MODEL_NAME, echo=False)
+        TestCase(model_name=MODEL_NAME, echo=False),
     ],
 )
 async def test_chat_session_with_echo_and_continue_final_message(
-        client: openai.AsyncOpenAI, test_case: TestCase):
+    client: openai.AsyncOpenAI, test_case: TestCase
+):
     saying: str = "Here is a common saying about apple. An apple a day, keeps"
     # test echo with continue_final_message parameter
     chat_completion = await client.chat.completions.create(
         model=test_case.model_name,
-        messages=[{
-            "role": "user",
-            "content": "tell me a common saying"
-        }, {
-            "role": "assistant",
-            "content": saying
-        }],
+        messages=[
+            {"role": "user", "content": "tell me a common saying"},
+            {"role": "assistant", "content": saying},
+        ],
         extra_body={
             "echo": test_case.echo,
             "continue_final_message": True,
-            "add_generation_prompt": False
-        })
+            "add_generation_prompt": False,
+        },
+    )
     assert chat_completion.id is not None
     assert len(chat_completion.choices) == 1
 
@@ -83,13 +82,10 @@ async def test_chat_session_with_echo_and_continue_final_message(
 
 @pytest.mark.asyncio
 async def test_prompt_logprobs(client: openai.AsyncOpenAI):
-    messages = [{
-        "role": "system",
-        "content": "You are a helpful assistant."
-    }, {
-        "role": "user",
-        "content": "Beijing is the capital of which country?"
-    }]
+    messages = [
+        {"role": "system", "content": "You are a helpful assistant."},
+        {"role": "user", "content": "Beijing is the capital of which country?"},
+    ]
 
     completion = await client.chat.completions.create(
         model=MODEL_NAME,
@@ -103,13 +99,10 @@ async def test_prompt_logprobs(client: openai.AsyncOpenAI):
 
 @pytest.mark.asyncio
 async def test_top_logprobs(client: openai.AsyncOpenAI):
-    messages = [{
-        "role": "system",
-        "content": "You are a helpful assistant."
-    }, {
-        "role": "user",
-        "content": "Beijing is the capital of which country?"
-    }]
+    messages = [
+        {"role": "system", "content": "You are a helpful assistant."},
+        {"role": "user", "content": "Beijing is the capital of which country?"},
+    ]
 
     completion = await client.chat.completions.create(
         model=MODEL_NAME,