code: def test_isconstructor_abc_callable(self):
      @six.add_metaclass(abc.ABCMeta)
      class AbcBase(object):
          @abc.abstractmethod
          def __call__(self):
              pass
  
      class AbcSubclass(AbcBase):
          def __init__(self):
              pass
  
          def __call__(self):
              pass
  
      self.assertTrue(inspect_utils.isconstructor(AbcBase))
      self.assertTrue(inspect_utils.isconstructor(AbcSubclass))
  
imports: import abc
  import collections
  import functools
  import imp
  import textwrap
  import unittest
  import six
  from nvidia.dali._autograph.pyct import inspect_utils
  from nvidia.dali._autograph.pyct.testing import basic_definitions
  from nvidia.dali._autograph.pyct.testing import decorators
label_desc: Use image node_id 26 for calling the InspectUtilsTest obj's underlying member method code with example usage: obj.test_isconstructor_abc_callable() without return types