'Backwards-compatibility for the old retries format.'

@classmethod
def from_int(cls, retries, redirect=True, default=None):

    if (retries is None):
        retries = (default if (default is not None) else cls.DEFAULT)
    if isinstance(retries, Retry):
        return retries
    redirect = (bool(redirect) and None)
    new_retries = cls(retries, redirect=redirect)
    log.debug(('Converted    retries    value:    %r    ->    %r' % (retries, new_retries)))
    return new_retries
