Update app.py

app.py

@@ -44,17 +44,16 @@ def stream_chat(
     message: str, 
     history: list,
     system_prompt: str,
-    temperature: float = 0.8, 
-    max_new_tokens: int = 1024, 
+    temperature: float = 0.2, 
+    max_new_tokens: int = 4096, 
     top_p: float = 1.0, 
     top_k: int = 50, 
-    penalty: float = 1.2,
+    penalty: float = 1.1,
 ):
     print(f'message: {message}')
     print(f'history: {history}')
 
     conversation = [
-        {"role": "system", "content": ""}
     ]
     for prompt, answer in history:
         conversation.extend([
@@ -134,7 +133,7 @@ with gr.Blocks(css=CSS, theme="soft") as demo:
                 minimum=1,
                 maximum=50,
                 step=1,
-                value=50,
+                value=1,
                 label="top_k",
                 render=False,
             ),