Update app.py

app.py

@@ -44,6 +44,9 @@ def _parse_text(text):
     return text
     
 def predict(_chatbot, task_history, user_input):
+    print("Predict - Start: task_history =", task_history)
+    print("Type of user_input:", type(user_input))
+    print("Type of task_history:", type(task_history))
     if task_history is None or not isinstance(task_history, list):
         task_history = [] 
     print("Predict - Start: task_history =", task_history)