code: def test_del_packing_ignored_list(self):
      # Note: testing for UnboundLocalError, not NameError because in this case we
      # don't rewrite the del.
  
      def f(a, b):
          del [a, b]
          return a
  
      tr = self.transform(f, variables)
  
      with self.assertRaises(UnboundLocalError):
          tr(1, 2)
  
file_path: tensorflow-upstream/tensorflow/python/autograph/converters/variables_test.py
imports: from tensorflow.python.autograph.converters import variables
  from tensorflow.python.autograph.core import converter_testing
  from tensorflow.python.platform import test
label_desc: Use image node_id 8 for calling the VariablesTest obj's underlying member method code with example usage: obj.test_del_packing_ignored_list() and returns: a