Update app.py

app.py

@@ -35,8 +35,8 @@ def respond(
     message: str,
     history: List[Dict[str, str]],
     system_message: str = "",
-    max_tokens: int = 1000,
-    temperature: float = 0.7,
+    max_tokens: int = 4000,
+    temperature: float = 0.5,
     top_p: float = 0.9,
     parquet_data: str = None
 ) -> str: