from notify.signals import notify
# your example view
def follow_user(request, user):
user = User.objects.get(username=user)
# ...
# dofollow
# ...
notify.send(request.user, recipient=user, actor=request.user # <- missing coma
verb='followed you.', nf_type='followed_by_one_user')
return YourResponse # <- what must be response ?
https://django-notify-x.readthedocs.io/en/latest/usage.html