code: def test_del_packing_ignored_nested(self):
      # Note: testing for UnboundLocalError, not NameError because in this case we
      # don't rewrite the del.
  
      def f(a, b, c):
          del [a, (b, c)]
          return c  # noqa: F821
  
      tr = self.transform(f, variables)
  
      with self.assertRaises(UnboundLocalError):
          tr(1, 2, 3)
  
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 9 for calling the VariablesTest obj's underlying member method code with example usage: obj.test_del_packing_ignored_nested() and returns: c