615ef17 scripts/twa: Some bits of Python 3 compatibility

Authored and Committed by Colin Walters 6 years ago
    scripts/twa: Some bits of Python 3 compatibility
    
    I don't care a lot personally but the main scripts seem to invoke pylint 3, and
    these are easy fixes.
    
    Signed-off-by: Colin Walters <walters@verbum.org>