Update app.py

app.py

@@ -54,7 +54,7 @@ def chat_with_assistant(message, history):
     instructions = """
     
     """
-    system message = f"{ai_message} {instructions}"
+    system_message = f"{ai_message} {instructions}"
                   
     # Prepare the message array
     messages = [{"role": "system", "content": system_message}]