@property
    def last_failures(self):
        """The last failure dictionary that was produced.

        NOTE(harlowja): This is **not** the same as the
        local ``failure`` attribute as the obtained failure dictionary in
        the ``results`` attribute (which is what this returns) is from
        associated atom failures (which is different from the directly
        related failure of the retry unit associated with this
        atom detail).
        """
        try:
            return self.results[-1][1]
        except __HOLE__:
            exc.raise_with_cause(exc.NotFound, "Last failures not found")
dataset/ETHPy150Open openstack/taskflow/taskflow/persistence/models.py/RetryDetail.last_failures