Update app.py

app.py

@@ -135,4 +135,8 @@ if __name__ == "__main__":
         [pdf_upload1, chatbot, txt, pdf_upload2, pdf_upload3],       
         [show_img, chatbot, txt, show_img],        
         title="PDF-Powered Chatbot"    
-    ).launch()
+    ).launch()
+    print(enable_box)
+print(disable_box)
+print(change_api_key)
+print(chatbot)