Convert `examples` to `ruff-format` (#18400)

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

examples/online_serving/openai_chat_completion_with_reasoning.py

@@ -45,12 +45,12 @@ def main():
 
     # Round 2
     messages.append({"role": "assistant", "content": content})
-    messages.append({
-        "role":
-        "user",
-        "content":
-        "How many Rs are there in the word 'strawberry'?",
-    })
+    messages.append(
+        {
+            "role": "user",
+            "content": "How many Rs are there in the word 'strawberry'?",
+        }
+    )
     response = client.chat.completions.create(model=model, messages=messages)
 
     reasoning_content = response.choices[0].message.reasoning_content

examples/online_serving/openai_chat_completion_with_reasoning_streaming.py

@@ -43,9 +43,7 @@ def main():
 
     # ruff: noqa: E501
     # For granite: add: `extra_body={"chat_template_kwargs": {"thinking": True}}`
-    stream = client.chat.completions.create(model=model,
-                                            messages=messages,
-                                            stream=True)
+    stream = client.chat.completions.create(model=model, messages=messages, stream=True)
 
     print("client: Start streaming chat completions...")
     printed_reasoning_content = False