Initial history handling

app.py

@@ -46,7 +46,7 @@ def toggle_slider(checked):
     return gr.update(visible=checked)
 
 # Function to generate the model's response
-def generate_response(system_prompt, user_message, *args, history):
+def generate_response(system_prompt, user_message, *args, history=None):
     # args contains alternating checkbox and slider values
     num_controls = len(control_vector_files)
     checkboxes = args[0::2]  # Extract every first item in each pair