[CI] fix ruff format (#26579)

Signed-off-by: chaunceyjiang <chaunceyjiang@gmail.com>

tests/entrypoints/openai/test_serving_chat.py

@@ -208,13 +208,15 @@ async def test_gpt_oss_multi_turn_chat(gptoss_client: OpenAI, with_tool_parser:
 
 
 @pytest.mark.asyncio
-async def test_gpt_oss_tool_message_array_content(gptoss_client: OpenAI,
-                                                  with_tool_parser: bool):
+async def test_gpt_oss_tool_message_array_content(
+    gptoss_client: OpenAI, with_tool_parser: bool
+):
     """Test that tool messages support both string and array content formats."""
     if not with_tool_parser:
         pytest.skip("skip non-tool for array content tests")
 
-    tools = [{
+    tools = [
+        {
             "type": "function",
             "function": {
                 "name": "get_weather",
@@ -222,37 +224,33 @@ async def test_gpt_oss_tool_message_array_content(gptoss_client: OpenAI,
                 "parameters": {
                     "type": "object",
                     "properties": {
-                    "city": {
-                        "type": "string"
-                    },
-                    "state": {
-                        "type": "string"
-                    },
+                        "city": {"type": "string"},
+                        "state": {"type": "string"},
                     },
                     "required": ["city", "state"],
                 },
             },
-    }]
+        }
+    ]
 
     # Test 1: Tool message with string content
-    messages_string = [{
-        "role": "user",
-        "content": "What's the weather in Paris?"
-    }, {
-        "role":
-        "assistant",
-        "tool_calls": [{
+    messages_string = [
+        {"role": "user", "content": "What's the weather in Paris?"},
+        {
+            "role": "assistant",
+            "tool_calls": [
+                {
                     "id": "call_123",
                     "type": "function",
                     "function": {
                         "name": "get_weather",
-                "arguments": '{"city": "Paris", "state": "TX"}'
+                        "arguments": '{"city": "Paris", "state": "TX"}',
+                    },
                 }
-        }]
-    }, {
-        "role": "tool",
-        "content": "The weather in Paris, TX is sunny, 22°C"
-    }]
+            ],
+        },
+        {"role": "tool", "content": "The weather in Paris, TX is sunny, 22°C"},
+    ]
 
     response_string = await gptoss_client.chat.completions.create(
         model=GPT_OSS_MODEL_NAME,
@@ -265,28 +263,28 @@ async def test_gpt_oss_tool_message_array_content(gptoss_client: OpenAI,
     assert response_string.choices[0].message is not None
 
     # Test 2: Tool message with array content
-    messages_array = [{
-        "role": "user",
-        "content": "What's the weather in Dallas?"
-    }, {
-        "role":
-        "assistant",
-        "tool_calls": [{
+    messages_array = [
+        {"role": "user", "content": "What's the weather in Dallas?"},
+        {
+            "role": "assistant",
+            "tool_calls": [
+                {
                     "id": "call_456",
                     "type": "function",
                     "function": {
                         "name": "get_weather",
-                "arguments": '{"city": "Dallas", "state": "TX"}'
+                        "arguments": '{"city": "Dallas", "state": "TX"}',
+                    },
                 }
-        }]
-    }, {
-        "role":
-        "tool",
-        "content": [{
-            "type": "text",
-            "text": "f2e897a7-2705-4337-8193-2a8f57b81618"
-        }]
-    }]
+            ],
+        },
+        {
+            "role": "tool",
+            "content": [
+                {"type": "text", "text": "f2e897a7-2705-4337-8193-2a8f57b81618"}
+            ],
+        },
+    ]
 
     response_array = await gptoss_client.chat.completions.create(
         model=GPT_OSS_MODEL_NAME,
@@ -299,34 +297,30 @@ async def test_gpt_oss_tool_message_array_content(gptoss_client: OpenAI,
     assert response_array.choices[0].message is not None
 
     # Test 3: Tool message with multiple array content items
-    messages_multi_array = [{
-        "role": "user",
-        "content": "Search for information"
-    }, {
-        "role":
-        "assistant",
-        "tool_calls": [{
+    messages_multi_array = [
+        {"role": "user", "content": "Search for information"},
+        {
+            "role": "assistant",
+            "tool_calls": [
+                {
                     "id": "call_789",
                     "type": "function",
                     "function": {
                         "name": "get_weather",
-                "arguments": '{"city": "Austin", "state": "TX"}'
+                        "arguments": '{"city": "Austin", "state": "TX"}',
+                    },
                 }
-        }]
-    }, {
-        "role":
-        "tool",
-        "content": [{
-            "type": "text",
-            "text": "Weather data: "
-        }, {
-            "type": "text",
-            "text": "Austin, TX - Partly cloudy, 25°C"
-        }, {
-            "type": "text",
-            "text": " with 60% humidity"
-        }]
-    }]
+            ],
+        },
+        {
+            "role": "tool",
+            "content": [
+                {"type": "text", "text": "Weather data: "},
+                {"type": "text", "text": "Austin, TX - Partly cloudy, 25°C"},
+                {"type": "text", "text": " with 60% humidity"},
+            ],
+        },
+    ]
 
     response_multi_array = await gptoss_client.chat.completions.create(
         model=GPT_OSS_MODEL_NAME,

vllm/entrypoints/harmony_utils.py

@@ -260,8 +260,10 @@ def parse_chat_input(chat_msg) -> list[Message]:
             # Handle array format for tool message content
             # by concatenating all text parts.
             content = "".join(
-                item.get("text", "") for item in content
-                if isinstance(item, dict) and item.get("type") == "text")
+                item.get("text", "")
+                for item in content
+                if isinstance(item, dict) and item.get("type") == "text"
+            )
 
         msg = Message.from_author_and_content(
             Author.new(Role.TOOL, f"functions.{name}"), content