$ ./jamu.py -C "/usr/share/mythtv/mythvideo/scripts/jamu.conf" -MIV
Traceback (most recent call last):
  File "./jamu.py", line 5243, in <module>
    main()
  File "./jamu.py", line 5228, in main
    process.processMythTvMetaData()
  File "./jamu.py", line 4378, in processMythTvMetaData
    if not len(validFiles):
TypeError: object of type 'NoneType' has no len()