def requested_actor(app_label, actor):
    x = getattr(settings.SITE.modules, app_label, None)
    if x is None:
        raise http.Http404("There's no app_label %r here" % app_label)
        # raise Exception("There's no app_label %r here" % app_label)
    cl = getattr(x, actor, None)
    if not isinstance(cl, type):
        raise http.Http404("%s.%s is not a class" % (app_label, actor))
    if issubclass(cl, models.Model):
        return cl.get_default_table()
    if not issubclass(cl, actors.Actor):
        #~ raise http.Http404("%r is not an actor" % cl)
        raise http.Http404("%r is not an actor" % cl)
    return cl
Return a list of binomial coefficients as rows of the Pascal's
dataset/ETHPy150Open lsaffre/lino/lino/core/views.py/requested_actor--crossover with--dataset/ETHPy150Open sympy/sympy/sympy/ntheory/multinomial.py/binomial_coefficients_list