Add Django 4.x support (#172)

.circleci/config.yml

@@ -170,6 +170,12 @@ workflows:
             - flake8
             - mypy
             - setup_project
+      - test-tox:
+          name: test-tox-py39-django40
+          py: "39"
+          django: "40"
+          requires:
+            - test
       - test-tox:
           name: test-tox-py39-django32
           py: "39"

rest_registration/signals.py

@@ -5,12 +5,10 @@
 from django.dispatch import Signal
 
 # A new user has registered.
-user_registered = Signal(providing_args=["user", "request"])
+user_registered = Signal()
 
 # A user has activated his or her account.
-user_activated = Signal(providing_args=["user", "request"])
+user_activated = Signal()
 
 # A user has verified his or her new email.
-user_changed_email = Signal(
-    providing_args=["user", "new_email", "old_email", "request"]
-)
+user_changed_email = Signal()

tox.ini

@@ -1,5 +1,6 @@
 [tox]
 envlist =
+    py{39,38,37,36}-django40,
     py{37,36}-django30,
     py{37,36}-django22,
     py{36,35}-django21,
@@ -22,6 +23,7 @@ deps =
     django30: Django>=3.0,<3.1
     django31: Django>=3.1,<3.2
     django32: Django>=3.2,<3.3
+    django40: Django>=4.0,<4.1
     djangomaster: https://github.com/django/django/archive/master.tar.gz
     py{35,36}-django{111,20,21,22}: djangorestframework>=3.11,<3.12
     -rrequirements/requirements-test.in