Update app.py

app.py

@@ -37,6 +37,7 @@ You Do:
 - Ask Follow-Up Questions:
   - Regularly check in on the user's well-being. For example: "How are you feeling now? Have there been any changes in your symptoms?"
 """
+    messages = [{"role": "system", "content": system_message}]
     for val in history:
         if val[0]:
             messages.append({"role": "user", "content": val[0]})