Failed import

[DarkFenX]

Traceback (most recent call last):
  File "run.py", line 67, in <module>
    rvr = reverence.blue.EVE(path_eve, cachepath=path_cache, sharedcachepath=path_res, server=args.server, languageID=rvr_language)
  File "/usr/local/lib/python2.7/dist-packages/reverence/blue.py", line 174, in __init__
    self.protocol = self.paths._discover(self.server_name, self.server_ip, protocol)
  File "/usr/local/lib/python2.7/dist-packages/reverence/discover.py", line 119, in _discover
    elif sys.platform == "darwin" or os.name == "mac":
NameError: global name 'sys' is not defined