code: def setUp(self):
      backup = {}
      for name, value in vars(Options).items():
          backup[name] = value
      self._options_backup = backup
  
file_path: catboost/contrib/tools/cython/Cython/Compiler/Tests/TestCmdLine.py
imports: import sys
  import re
  from unittest import TestCase
  from ..None import Options
  from ..CmdLine import parse_command_line
label_desc: Use image node_id 1 for calling the CmdLineParserTest obj's underlying member method code with example usage: obj.setUp() without return types