You can comment this line out to workaround this issue temporarily.
  

      github.com
  

  
    pytorch/pytorch/blob/80f40b172f4d1491713d6608f2196e59eb04b1b5/torch/hub.py#L162 37



      
      
          # To check if cached repo exists, we need to normalize folder names.
          repo_dir = os.path.join(hub_dir, '_'.join([repo_owner, repo_name, normalized_br]))
          
          
use_cache = (not force_reload) and os.path.exists(repo_dir)
          
          
if use_cache:
              if verbose:
                  sys.stderr.write('Using cache found in {}\n'.format(repo_dir))
          else:
              # Validate the tag/branch is from the original repo instead of a forked repo
              _validate_not_a_forked_repo(repo_owner, repo_name, branch)
          
          
    cached_file = os.path.join(hub_dir, normalized_br + '.zip')
              _remove_if_exists(cached_file)
          
          
    url = _git_archive_link(repo_owner, repo_name, branch)
              sys.stderr.write('Downloading: \"{}\" to {}\n'.format(url, cached_file))
              download_url_to_file(url, cached_file, progress=False)
          
          
    with zipfile.ZipFile(cached_file) as cached_zipfile:
                  extraced_repo_name = cached_zipfile.infolist()[0].filename