Returns sorted list of paths for given ``status``.

        :param status: one of: *added*, *modified* or *deleted*

def _get_paths_for_status(self, status):
        """
        Returns sorted list of paths for given ``status``.

        :param status: one of: *added*, *modified* or *deleted*
        """
        added, modified, deleted = self._changes_cache
        return sorted({
            'added': list(added),
            'modified': list(modified),
            'deleted': list(deleted)}[status]
        )