code: def test_reentrance(self):
      def test_fn():
          return 1 + 1
  
      class ReentrantTranspiler(transpiler.PyToPy):
          def __init__(self):
              super(ReentrantTranspiler, self).__init__()
              self._recursion_depth = 0
  
          def get_caching_key(self, ctx):
              del ctx
              return 0
  
          def get_extra_locals(self):
              return {}
  
          def transform_ast(self, node, ctx):
              self._recursion_depth += 1
              if self._recursion_depth < 2:
                  self.transform(test_fn, None)
              return FlipSignTransformer(ctx).visit(node)
  
      tr = ReentrantTranspiler()
  
      f, _, _ = tr.transform(test_fn, None)
      self.assertEqual(f(), 0)
  
imports: import threading
  import unittest
  import gast
  from nvidia.dali._autograph.pyct import transformer
  from nvidia.dali._autograph.pyct import transpiler
label_desc: Use image node_id 11 for calling the PyToPyTest obj's underlying member method code with example usage: obj.test_reentrance() and returns: unknown, int, dict, FlipSignTransformer