enable Django 3.2 CI and add default_auto_field

Author: snio89

.travis.yml

@@ -19,6 +19,7 @@ env:
   - DJANGO=2.2
   - DJANGO=3.0
   - DJANGO=3.1
+  - DJANGO=3.2
 os:
   - linux
 matrix:

django_celery_beat/apps.py

@@ -11,3 +11,4 @@ class BeatConfig(AppConfig):
     name = 'django_celery_beat'
     label = 'django_celery_beat'
     verbose_name = _('Periodic Tasks')
+    default_auto_field = 'django.db.models.AutoField'

requirements/test-django32.txt

@@ -0,0 +1 @@
+django>=3.2,<3.3

tox.ini

@@ -1,9 +1,9 @@
 [tox]
 envlist =
-    py36-django{22,30,31}
-    py37-django{22,30,31}
-    py38-django{22,30,31}
-    pypy3-django{22,30,31}
+    py36-django{22,30,31,32}
+    py37-django{22,30,31,32}
+    py38-django{22,30,31,32}
+    pypy3-django{22,30,31,32}
     flake8
     flakeplus
     apicheck
@@ -16,6 +16,7 @@ DJANGO =
     2.2: django22
     3.0: django30
     3.1: django31
+    3.2: django32
 
 [testenv]
 deps=
@@ -28,6 +29,7 @@ deps=
     django22: -r{toxinidir}/requirements/test-django22.txt
     django30: -r{toxinidir}/requirements/test-django30.txt
     django31: -r{toxinidir}/requirements/test-django31.txt
+    django32: -r{toxinidir}/requirements/test-django32.txt
 
     linkcheck,apicheck: -r{toxinidir}/requirements/docs.txt
     flake8,flakeplus,pydocstyle: -r{toxinidir}/requirements/pkgutils.txt