code: def test_multiline_docstring(self):
      def f():
          """First sentence.
  
          Second sentence.
  
          Returns:
            Something.
          """
          return CONSTANT
  
      tr = self.transform(f, functions)
  
      result = tr()
      self.assertEqual(CONSTANT, result)
      self.assertIn("First sentence.", tr.__doc__)
      self.assertIn("Second sentence.", tr.__doc__)
  
file_path: DALI/dali/test/python/autograph/converters/test_functions.py
imports: from nvidia.dali._autograph.converters import functions
  from nvidia.dali._autograph.converters import return_statements
  from nvidia.dali._autograph.core import ag_ctx
  from nvidia.dali._autograph.core import converter
  from nvidia.dali._autograph.core import converter_testing
  from nvidia.dali._autograph.impl import api
label_desc: Use image node_id 2 for calling the FunctionTransformer obj's underlying member method code with example usage: obj.test_multiline_docstring() and returns: CONSTANT