code: def branch(self) -> Any:
      if not self.repo:
          return None
      return self.repo.head.ref.name
  
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 11 for calling the GitRepo obj's underlying member method code with example usage: obj.branch() and returns: self, None