NameError: global name 'WindowsError' is not defined

[jschwartzenberg]

After running passhunt for some time, it just crashes with this message:

Traceback (most recent call last):                                                                                                | ETA:  0:22:52 Docs:1598
  File "./passhunt.py", line 203, in <module>
    all_files = filehunt.find_all_files_in_directory(PWDFile, search_dir, excluded_directories, search_extensions)
  File ".../PassHunt/filehunt.py", line 290, in find_all_files_in_directory
    afile.set_file_stats()
  File ".../PassHunt/filehunt.py", line 53, in set_file_stats
    except WindowsError:
NameError: global name 'WindowsError' is not defined

I'm using CentOS 7.