'Checks the version of grubby in use and warns if it\'s not good enough'

def _check_grubby_version(self):

    current_version = self.get_grubby_version()
    if (current_version is None):
        self.log.warn('Could    not    detect    current    grubby    version.    It    may    be    that    you    are    running    an    unsupported    version    of    grubby')
    elif (current_version < GRUBBY_REQ_VERSION):
        self.log.warn('version    %s.%s    being    used    is    not    guaranteed    to    work    properly.    Mininum    required    version    is    %s.%s.', current_version[0], current_version[1], GRUBBY_REQ_VERSION[0], GRUBBY_REQ_VERSION[1])
