code: def test_parse_load_identity(self):
      def test_fn(x):
          a = True
          b = ""
          if a:
              b = x + 1
          return b
  
      node, _ = parser.parse_entity(test_fn, future_features=())
      module, _, _ = loader.load_ast(node)
      source = inspect.getsource(module.test_fn)
      expected_node_src = textwrap.dedent(inspect.getsource(test_fn))
  
      self.assertAstMatches(node, source)
      self.assertAstMatches(node, expected_node_src)
  
file_path: DALI/dali/test/python/autograph/pyct/test_loader.py
imports: import inspect
  import os
  import textwrap
  import unittest
  import gast
  from nvidia.dali._autograph.pyct import ast_util
  from nvidia.dali._autograph.pyct import loader
  from nvidia.dali._autograph.pyct import parser
  from nvidia.dali._autograph.pyct import pretty_printer
label_desc: Use image node_id 2 for calling the LoaderTest obj's underlying member method code with example usage: obj.test_parse_load_identity() and returns: b