code: def init_method(self):
      return f"{common_utils.FILE_SCHEMA}{self.file_name}"
  
imports: import os
  import sys
  import unittest
  from packaging.version import Version, parse
  import torch
  from torch import distributed
  from torch.utils import collect_env
  from torch.testing._internal import common_utils
  from torch.testing._internal import common_distributed
  from apex.transformer._ucc_util import HAS_UCC
label_desc: Use image node_id 5 for calling the DistributedTestBase obj's underlying member method code with example usage: obj.init_method() and returns: common_utils, self