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app.py

@@ -131,8 +131,10 @@ def answer_fn(question):
 def chat_fn(user_message, history):
     bot_response = answer_fn(user_message)
     history = history + [(user_message, bot_response)]
+    print("Returning from chat_fn:", history)
     return history, history
 
+
 with gr.Blocks(theme=gr.themes.Soft()) as demo:
     with gr.Column(elem_id="main-col", scale=1):
         gr.Markdown(