code: def test_lambda_in_function_call(self):
      template = """
        a = foo(arg)
      """
      source = parser.parse_expression("[lambda i: i]")
      node = templates.replace(template, arg=source)
      lambda_arg = node[0].value.args[0].elts[0]
      self.assertIsInstance(lambda_arg.args.args[0].ctx, gast.Param)
      self.assertIsInstance(lambda_arg.body.ctx, gast.Load)
  
imports: import imp
  import unittest
  import gast
  from nvidia.dali._autograph.pyct import gast_util
  from nvidia.dali._autograph.pyct import loader
  from nvidia.dali._autograph.pyct import parser
  from nvidia.dali._autograph.pyct import qual_names
  from nvidia.dali._autograph.pyct import templates
label_desc: Use image node_id 20 for calling the TemplatesTest obj's underlying member method code with example usage: obj.test_lambda_in_function_call() without return types