code: def test_del_getattr_ignored(self):
      def f(l):
          del l.a
          return l
  
      class TestClass(object):
          def __init__(self):
              self.a = 1
              self.b = 2
  
      tr = self.transform(f, variables)
  
      self.assertFalse(hasattr(tr(TestClass()), "a"))
      self.assertEqual(tr(TestClass()).b, 2)
  
file_path: DALI/dali/test/python/autograph/converters/test_variables.py
imports: from nvidia.dali._autograph.converters import variables
  from nvidia.dali._autograph.core import converter_testing
label_desc: Use image node_id 7 for calling the VariablesTest obj's underlying member method code with example usage: obj.test_del_getattr_ignored() and returns: l