code: def test_parse_lambda_resolution_ambiguous(self):
      l = lambda x: lambda x: 2 * x
  
      expected_exception_text = re.compile(
          r"found multiple definitions"
          r".+"
          r"\(?lambda x: \(?lambda x"
          r".+"
          r"\(?lambda x: \(?2",
          re.DOTALL,
      )
  
      with self.assertRaisesRegex(
          errors.UnsupportedLanguageElementError,
          expected_exception_text,
      ):
          parser.parse_entity(l, future_features=())
  
      with self.assertRaisesRegex(
          errors.UnsupportedLanguageElementError,
          expected_exception_text,
      ):
          parser.parse_entity(l(0), future_features=())
  
imports: import re
  import textwrap
  import gast
  from tensorflow.python.autograph.pyct import ast_util
  from tensorflow.python.autograph.pyct import errors
  from tensorflow.python.autograph.pyct import parser
  from tensorflow.python.autograph.pyct import pretty_printer
  from tensorflow.python.platform import test
label_desc: Use image node_id 7 for calling the ParserTest obj's underlying member method code with example usage: obj.test_parse_lambda_resolution_ambiguous() without return types