Update app.py

app.py

@@ -172,6 +172,7 @@ llm = ChatOpenAI(
     max_retries=3,
     api_key=OPENAPI_KEY,# if you prefer to pass api key in directly instaed of using env vars
     base_url="https://openrouter.ai/api/v1",
+    stream=True,
     #api_key=CHUTES_KEY,
     #base_url="https://chutes-deepseek-ai-deepseek-r1.chutes.ai/v1/chat/completions",