code: def test_replace_tuple_context(self):
      template = """
        def test_fn(foo):
          foo = 0
      """
  
      node = templates.replace(
          template, foo=parser.parse_expression("(a, b)")
      )[0]
      self.assertIsInstance(node.body[0].targets[0].ctx, gast.Store)
      self.assertIsInstance(
          node.body[0].targets[0].elts[0].ctx, gast.Store
      )
      self.assertIsInstance(
          node.body[0].targets[0].elts[1].ctx, gast.Store
      )
  
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 9 for calling the TemplatesTest obj's underlying member method code with example usage: obj.test_replace_tuple_context() without return types