Update app.py

app.py

@@ -15,7 +15,8 @@ def respond(
     temperature,
     top_p,
 ):
-    messages = [{"role": "system", "content": system_message}]
+    # Add a friendly tone by default
+    messages = [{"role": "system", "content": system_message or "You are a kind and caring AI friend who listens and replies in a helpful, warm, and cheerful way."}]
 
     for val in history:
         if val[0]:
@@ -46,7 +47,10 @@ For information on how to customize the ChatInterface, peruse the gradio docs: h
 demo = gr.ChatInterface(
     respond,
     additional_inputs=[
-        gr.Textbox(value="You are a friendly Chatbot.", label="System message"),
+        gr.Textbox(
+            value="You are a kind and caring AI friend who listens and replies in a helpful, warm, and cheerful way.",
+            label="System message"
+        ),
         gr.Slider(minimum=1, maximum=2048, value=512, step=1, label="Max new tokens"),
         gr.Slider(minimum=0.1, maximum=4.0, value=0.7, step=0.1, label="Temperature"),
         gr.Slider(
@@ -59,6 +63,5 @@ demo = gr.ChatInterface(
     ],
 )
 
-
 if __name__ == "__main__":
     demo.launch()