def _shouldEnableNewStyle():
    value = os.environ.get('TWISTED_NEWSTYLE', '')

    if value in ['', 'no', 'false', 'False', '0']:
        return False
    else:
        return True
Returns whether or not we should enable the new-style conversion of
dataset/ETHPy150Open twisted/twisted/twisted/python/_oldstyle.py/_shouldEnableNewStyle