code: def test_dedent_block_continuation_in_string(self):
      code = r"""
      def f():
        a = "a \
    b"
        return a
      """
  
      f = self._eval_code(parser.dedent_block(code), "f")
      self.assertEqual(f(), "a   b")
  
imports: import re
  import textwrap
  import unittest
  import gast
  from nvidia.dali._autograph.pyct import ast_util
  from nvidia.dali._autograph.pyct import errors
  from nvidia.dali._autograph.pyct import gast_util
  from nvidia.dali._autograph.pyct import parser
  from nvidia.dali._autograph.pyct import pretty_printer
label_desc: Use image node_id 22 for calling the ParserTest obj's underlying member method code with example usage: obj.test_dedent_block_continuation_in_string() without return types