Adding an optional keyword argument for user will allow a specific user to be reinvited. This addresses the case where an exception will be thrown if multiple users have the same email and that email is passed to invite.

As of django 1.10, django.core.urlresolvers is deprecated in favor of django.urls. This happens in 2 places here.

Patch attached:

urls.patch.txt

Could we get an update that would work with custom user models?

Instead of importing the User model from django.contrib.auth.models import User, doing the following:

from django.contrib.auth import get_user_model
User = get_user_model()

As it stands now this project doesn't work with custom user models.