Update app.py

app.py

@@ -539,12 +539,16 @@ def handsome_chat_completions():
                 completion_tokens = response_json["usage"]["completion_tokens"]
                 response_content = ""
 
-                # Special handling for deepseek-reasoner in non-streaming mode
                 if model_name == "deepseek-reasoner" and "choices" in response_json and len(response_json["choices"]) > 0:
                     choice = response_json["choices"][0]
                     if "message" in choice:
                         if "reasoning_content" in choice["message"]:
-                            formatted_reasoning = f"```Thinking\n{choice['message']['reasoning_content']}\n```"
+                            reasoning_chunk = delta["reasoning_content"]
+                            reasoning_chunk = reasoning_chunk.replace('\n', '\n> ')
+                            if first_reasoning_chunk:
+                                reasoning_chunk = "> " + reasoning_chunk
+                                first_reasoning_chunk = False
+                            formatted_reasoning = f"```Thinking\n{choice['message']['reasoning_chunk']}\n```"
                             response_content += formatted_reasoning + "\n"
                         if "content" in choice["message"]:
                             response_content += choice["message"]["content"]