code: def test_replace_as_expression(self):
      template = """
        foo(a)
      """
  
      node = templates.replace_as_expression(
          template, foo="bar", a="baz"
      )
      self.assertIsInstance(node, gast.Call)
      self.assertEqual(node.func.id, "bar")
      self.assertEqual(node.args[0].id, "baz")
  
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 16 for calling the TemplatesTest obj's underlying member method code with example usage: obj.test_replace_as_expression() without return types