Script fails with errors

[Adiamond1978]

exception: [Errno 22] Invalid argument
Traceback (most recent call last):
  File "/usr/local/bin/coverlovin.py", line 273, in <module>
    sys.exit(main())
  File "/usr/local/bin/coverlovin.py", line 260, in main
    urls = get_img_urls([artist,album], fileType=fileType, fileSize=fileSize, resultCount=resultCount)
  File "/usr/local/bin/coverlovin.py", line 114, in get_img_urls
    for result in results['responseData']['results']:
TypeError: 'NoneType' object has no attribute '__getitem__'