Update app.py

app.py

@@ -53,7 +53,11 @@ def stream_chat(
     message: str, 
     history: list,
     system_prompt: str,
+    temperature: float = 0.8, 
     max_new_tokens: int = 1024, 
+    top_p: float = 1.0, 
+    top_k: int = 20, 
+    penalty: float = 1.2,
 ):
     print(f'message: {message}')
     print(f'history: {history}')