fix

Signed-off-by: okada <kokuzen@gmail.com>

Author: okdshin

vllm/entrypoints/openai/serving_chat.py

@@ -179,10 +179,9 @@ async def create_chat_completion(
                     "--enable-auto-tool-choice and --tool-call-parser to be set"
                 )
 
-            if request.tools is None:
-                tool_dicts = None
-            elif (request.tool_choice == "none"
-                  and self.exclude_tools_when_tool_choice_none):
+            if (request.tools is None or
+                    (request.tool_choice == "none" and
+                     self.exclude_tools_when_tool_choice_none)):
                 tool_dicts = None
             else:
                 tool_dicts = [tool.model_dump() for tool in request.tools]