code: def is_untracked(self, file_name: str) -> Optional[bool]:
      if not self.repo:
          return True
      try:
          return file_name in self.repo.untracked_files
      except GitCommandError:
          return None
  
imports: import configparser
  import logging
  import os
  from typing import TYPE_CHECKING, Any, Optional
  from urllib.parse import urlparse, urlunparse
  import wandb
label_desc: Use image node_id 5 for calling the GitRepo obj's underlying member method code with example usage: obj.is_untracked(file_name) and returns: True, unknown, None