code: def restore(name, run_path=None, replace=False, root="."):
      
      if run_path is None and run is None:
          raise ValueError(
              "You must call `wandb.init` before calling restore or specify a run_path")
      api = Api()
      api_run = api.run(run_path or run.path)
      root = run.dir if run else root
      path = os.path.exists(os.path.join(root, name))
      if path and replace == False:
          return open(path, "r")
      files = api_run.files([name])
      if len(files) == 0:
          return None
      return files[0].download(root=root, replace=True)
docs: Downloads the specified file from cloud storage into the current run directory
      if it doesn exist.
  
      name: the name of the file
      run_path: optional path to a different run to pull files from
      replace: whether to download the file even if it already exists locally
      root: the directory to download the file to.  Defaults to the current 
          directory or the run directory if wandb.init was called.
  
      returns None if it can't find the file, otherwise a file object open for reading
      raises wandb.CommError if it can't find the run