class Profile(models.Model):
    # user login
    user = models.ForeignKey(User, unique=True)
    # user tarif
    tarif = models.ForeignKey(Tariff)
    # active status
    active = models.BooleanField(default=False)
@receiver(signals.user_profile,sender=User,dispatch_uid='user_profile')
def create_profile(sender,tarif,user,**kwargs):
    Profile(user=user,tarif=tarif)

user_profile = django.dispatch.Signal(providing_args=['tarif'])

try:
    tarif = Tarif.objects.get(slug=name)
except Tarif.DoesNotExist:
    return redirect('tarif')
user_instance = form.save()
signals.user_profile.send(sender=User,tarif=tarif,user=user_instance)

   @receiver(models.signals.post_save, sender=User)
   def create_profile(sender,instance,signal,created,**kwargs):
   # Как здесь получить tarif??
       from apps.account.models import Profile
       if created:
           Profile(user=instance).save()