Update app.py

app.py

@@ -9,7 +9,7 @@ genai.configure(api_key=os.environ["GEMINI_API_KEY"])
 generation_config = {
   "temperature": 1,
   "top_p": 0.95,
-  "top_k": 64,
+  "top_k": 40,
   "max_output_tokens": 15000,
   "response_mime_type": "text/plain",
 }