code: def test_sym_int_argument_properly_parsed(self):
      schema_str = "sym_size.int(Tensor self, int dim) -> SymInt"
      schema = parse_schema(schema_str)
      # fake type of SymInt is int
      self.assertEqual(schema.returns[-1].type.str(), "int")
      # real type of SymInt is SymInt
      self.assertEqual(schema.returns[-1].real_type.str(), "SymInt")
      # print real types in FunctionSchema
      self.assertEqual(str(schema), schema_str)
  
file_path: pytorch/test/test_function_schema.py
imports: import torch
  from torch.testing._internal.common_utils import TestCase, run_tests
  from torch._C import parse_schema
label_desc: Use image node_id 15 for calling the TestFunctionSchema obj's underlying member method code with example usage: obj.test_sym_int_argument_properly_parsed() without return types