code: def test_attr(self):
      pass
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  from ...asttools.tests import AllTypesTested, assert_ast_eq
  import unittest
  from ...asttools.mutators.prune_mutator import PruneVisitor
  import ast
  from ...testing import py2only
label_desc: Use image node_id 18 for calling the TestExclusive obj's underlying member method code with example usage: obj.test_attr() without return types