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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def from_int(cls, retries, redirect=True, default=None):
 """ Backwards-compatibility for the old retries format."""

        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