checkAPI() AttributeError when URL is dead (404)

[nemobis]

#########################################################################
# Downloading http://wikiadv.com/api.php
#########################################################################
Checking API... http://wikiadv.com/api.php
Traceback (most recent call last):
  File "./dumpgenerator.py", line 2288, in <module>
    main()
  File "./dumpgenerator.py", line 2233, in main
    config, other = getParameters(params=params)
  File "./dumpgenerator.py", line 1580, in getParameters                                                                                                                                                      check = checkAPI(api=api, session=session)
  File "./dumpgenerator.py", line 1720, in checkAPI
    api = urlunparse([p.scheme, p.netloc, p.path, '', '', ''])
AttributeError: 'unicode' object has no attribute 'scheme'