Prevent os.path.join() from raising Error on Mac OS X
Prevent os.path.join() from raising Error on Mac OS X

jupe/mbed-ls,jupe/mbed-ls,mtmtech/mbed-ls,mazimkhan/mbed-ls,mazimkhan/mbed-ls,mtmtech/mbed-ls,jjones646/mbed-ls,jjones646/mbed-ls