Fix tox issues (#142)

Author: ababic

CHANGELOG.md

@@ -2,6 +2,11 @@
 
 ## [Unreleased]
 
+### Fixed
+
+- Update tox config to account for Django's primary branch rename.
+
+
 ## [0.3.0] - 2020-11-02
 
 We have a new documentation website! Check out [torchbox.github.io/django-pattern-library](https://torchbox.github.io/django-pattern-library/).

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py{36,37,38,39}-dj{22,30,31,master}, lint
+envlist = py{36,37,38,39}-dj{22,30,31,main}, lint
 skipsdist = true
 
 [testenv]
@@ -14,7 +14,7 @@ deps =
     dj22: Django>=2.2,<2.3
     dj30: Django>=3.0,<3.1
     dj31: Django>=3.1,<3.2
-    djmaster: https://github.com/django/django/archive/master.zip
+    djmain: https://github.com/django/django/archive/main.zip
 
 [testenv:lint]
 commands =