bitwalker/8bit-background — pull request #4 by MattyAyOh (2014-10-17 18:18:47+00:00)
Title: Fix for error when trying to set background for monitor 

Error at end bound of available monitors array (index error of sorts)

Found this error when running the script on OSX 10.10 Yosemite, Macbook w/ an external monitor

Not sure if other people are seeing this error