Update app.py

app.py

@@ -92,12 +92,12 @@ model.eval()
 def generate(
     message: str,
     chat_history: list[tuple[str, str]],
-    system_message: str = "",
+    system_message: str = "Sei un assistente utile.",
     max_new_tokens: int = 1024,
-    temperature: float = 0.001,
+    temperature: float = 0.2,
     top_p: float = 1.0,
     top_k: int = 50,
-    repetition_penalty: float = 1.05,
+    repetition_penalty: float = 1.1,
 ) -> Iterator[str]:
     conversation = [{"role": "system", "content": system_message}]
     for user, assistant in chat_history:
@@ -140,7 +140,7 @@ chat_interface = gr.ChatInterface(
     fn=generate,
     additional_inputs=[
         gr.Textbox(
-            value="",
+            value="Sei un assistente utile.",
             label="System message",
             render=False,
         ),        
@@ -156,7 +156,7 @@ chat_interface = gr.ChatInterface(
             minimum=0,
             maximum=4.0,
             step=0.1,
-            value=0.001,
+            value=0.2,
         ),
         gr.Slider(
             label="Top-p (nucleus sampling)",
@@ -177,7 +177,7 @@ chat_interface = gr.ChatInterface(
             minimum=1.0,
             maximum=2.0,
             step=0.05,
-            value=1.0,
+            value=1.1,
         ),
     ],
     stop_btn=None,