Update app.py

app.py

@@ -132,8 +132,8 @@ async def chat(request: ChatRequest):
                 contents=request.chat_history,
                 config=GenerateContentConfig(
                     system_instruction=[request.system_message],
-                    max_output_tokens=250,
-                    temperature=0.8
+                    max_output_tokens=150,
+                    temperature=0.9
                 ),
             )