Update app.py

app.py

@@ -462,7 +462,7 @@ def ask_df(df, api_key, model, ui_session_id):
         answers.append(complete_answer)
         print(complete_answer)
     df[question_column] = answers
-    return df
+    return df, source
 
 def export_df(df, ftype):
     fname=secrets.token_urlsafe(16)
@@ -512,7 +512,7 @@ with gr.Blocks() as demo:
 
 
 
-        btn_clear_df.click(update_df, inputs=[tb_session_id], outputs=df_qna)
+        btn_clear_df.click(update_df, inputs=[tb_session_id], outputs=[df_qna, file_df])
         btn_fill_answers.click(ask_df, inputs=[df_qna, apikey_input, dd_model, tb_session_id], outputs=df_qna)
         btn_export_df.click(export_df, inputs=[df_qna, r_format], outputs=[file_df])
     with gr.Tab("Summarize PDF"):