code: def get_repo(
      repo: Optional[Union[str, "Repo", pathlib.Path]]
  ) -> "Repo":
      from aim.sdk.repo import Repo, RepoStatus
  
      if repo is None:
          repo = Repo.default_repo_path()
      if isinstance(repo, pathlib.Path):
          repo = str(repo)
      if isinstance(repo, str):
          repo_status = Repo.check_repo_status(repo)
          if repo_status == RepoStatus.UPDATE_REQUIRED:
              logger.error(
                  f"Trying to open repository {repo}, which is out of date. "
                  f"Please upgrade repository with the following command: "
                  f"`aim upgrade --repo {repo} 2to3`."
              )
              raise RuntimeError()
          elif repo_status == RepoStatus.MISSING:
              repo = Repo.from_path(repo, init=True)
          else:
              repo = Repo.from_path(repo)
      assert isinstance(repo, Repo)
  
      return repo
  
imports: import logging
  from typing import Optional, Union, TYPE_CHECKING
  import pathlib
label_desc: Use image node_id 1 for calling a global function with example usage: get_repo(repo) and returns: repo