Try to handle different results from os.read under Py3.
Try to handle different results from os.read under Py3.

Boy I sure love this bytes vs str shit

mkusz/invoke,singingwolfboy/invoke,pfmoore/invoke,tyewang/invoke,pyinvoke/invoke,mattrobenolt/invoke,pyinvoke/invoke,kejbaly2/invoke,mattrobenolt/invoke,frol/invoke,pfmoore/invoke,frol/invoke,kejbaly2/invoke,mkusz/invoke