code: def raise_attribute_error():
      raise AttributeError()
  
imports: import os
  import unittest
  from tempfile import NamedTemporaryFile
  import tabpy
  from tabpy.tabpy_server.app.util import validate_cert
  from tabpy.tabpy_server.app.app import TabPyApp
  from unittest.mock import patch
label_desc: Use image node_id 3 for calling the TestTransferProtocolValidation obj's underlying member method code with example usage: obj.raise_attribute_error() without return types