code: def repo(self) -> Optional[Repo]:
      if not self._repo_initialized:
          self._repo = self._init_repo()
      return self._repo
  
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 3 for calling the GitRepo obj's underlying member method code with example usage: obj.repo() and returns: self