Fix line length violations (E501) in logger and serving_chat

- Break long conditional expressions into multiple lines
- Fix tool call logging lines exceeding 80 characters
- Remove trailing whitespace
- Maintain code readability and functionality

Signed-off-by: Adrian Garcia <adrian.garcia@inceptionai.ai>

Author: mizadri

vllm/entrypoints/logger.py

@@ -69,7 +69,8 @@ def log_outputs(
 
         stream_info = ""
         if is_streaming:
-            stream_info = " (streaming delta)" if delta else " (streaming complete)"
+            stream_info = (" (streaming delta)" if delta else 
+                          " (streaming complete)")
 
         logger.info(
             "Generated response %s%s: output: %r, "

vllm/entrypoints/openai/serving_chat.py

@@ -830,8 +830,11 @@ async def chat_completion_stream_generator(
                         delta_content = ""
                         if delta_message.content:
                             delta_content = delta_message.content
-                        elif delta_message.tool_calls and delta_message.tool_calls[0].function and delta_message.tool_calls[0].function.arguments:
-                            delta_content = delta_message.tool_calls[0].function.arguments
+                        elif (delta_message.tool_calls and 
+                              delta_message.tool_calls[0].function and 
+                              delta_message.tool_calls[0].function.arguments):
+                            func_args = delta_message.tool_calls[0].function.arguments
+                            delta_content = func_args
 
                         if delta_content:
                             self.request_logger.log_outputs(
@@ -1200,8 +1203,10 @@ async def chat_completion_full_generator(
                     tool_call_descriptions = []
                     for tool_call in choice.message.tool_calls:
                         if hasattr(tool_call.function, 'name') and hasattr(tool_call.function, 'arguments'):
-                            tool_call_descriptions.append(f"{tool_call.function.name}({tool_call.function.arguments})")
-                    output_text = f"[tool_calls: {', '.join(tool_call_descriptions)}]"
+                            tool_call_descriptions.append(
+                                f"{tool_call.function.name}({tool_call.function.arguments})")
+                    tool_calls_str = ', '.join(tool_call_descriptions)
+                    output_text = f"[tool_calls: {tool_calls_str}]"
 
                 if output_text:
                     # Get the corresponding output token IDs