Initialise messages

app.py

@@ -25,6 +25,9 @@ def get_inference_client(selected_model):
 # Function to get a response from the chatbot
 def get_response(user_input, history, selected_model, system_prompt, temperature, max_tokens, top_p):
     client = get_inference_client(selected_model)
+
+    # messaages
+    messages = []
     
     # Add system message, if not empty
     if (len(system_prompt)) > 0: