Update app.py

app.py

@@ -10,7 +10,7 @@ genai.configure(api_key=os.environ["GEMINI_API_KEY"])
 generation_config = {
     "temperature": 1,
     "top_p": 0.8,
-    "top_k": 64,
+    "top_k": 40,
     "max_output_tokens": 15000,
     "response_mime_type": "text/plain",
 }