def authors(self, *usernames):
        if len(usernames) == 1:
            return self.filter(author__username=usernames[0])
        else:
            return self.filter(author__username__in=usernames)
Return an :class:`ActionRequest <lino.core.requests.ActionRequest>`
dataset/ETHPy150Open edoburu/django-fluent-blogs/fluent_blogs/managers.py/EntryQuerySet.authors--crossover with--dataset/ETHPy150Open lsaffre/lino/lino/core/actors.py/Actor.request