Update app.py

app.py

@@ -39,10 +39,10 @@ def generate(
     chat_history: list[tuple[str, str]],
     system_prompt: str,
     max_new_tokens: int = 1024,
-    temperature: float = 0.1,
-    top_p: float = 0.99,
-    top_k: int = 1,
-    repetition_penalty: float = 1.0,
+    temperature: float = 0.6,
+    top_p: float = 0.9,
+    top_k: int = 50,
+    repetition_penalty: float = 1.2,
 ) -> Iterator[str]:
     conversation = []
     if system_prompt: