code: def test_argument(self):
      test_self = self
  
      class Resolver(type_inference.Resolver):
          def res_arg(
              self, ns, types_ns, f_name, name, type_anno, f_is_local
          ):
              test_self.assertFalse(f_is_local)
              if name == qual_names.QN("a"):
                  test_self.assertEqual(type_anno, qual_names.QN("int"))
              return {str(name) + "_type"}
  
      def test_fn(a: int, b):
          return a, b
  
      node, _ = TestTranspiler(Resolver).transform(test_fn, None)
      fn_body = node.body
  
      self.assertTypes(fn_body[0].value.elts[0], "a_type")
      self.assertTypes(fn_body[0].value.elts[1], "b_type")
  
imports: from typing import Any, Callable, List
  from tensorflow.python.autograph.pyct import anno
  from tensorflow.python.autograph.pyct import cfg
  from tensorflow.python.autograph.pyct import qual_names
  from tensorflow.python.autograph.pyct import transpiler
  from tensorflow.python.autograph.pyct.static_analysis import activity
  from tensorflow.python.autograph.pyct.static_analysis import reaching_definitions
  from tensorflow.python.autograph.pyct.static_analysis import reaching_fndefs
  from tensorflow.python.autograph.pyct.static_analysis import type_inference
  from tensorflow.python.platform import test
label_desc: Use image node_id 5 for calling the TypeInferenceAnalyzerTest obj's underlying member method code with example usage: obj.test_argument() and returns: a,  b, unknown