Update dependencies and run tests for django 3.1 (#43)

* Update dependencies and run tests for django 31

* Test django31

* Bump versions

* Add env file

Author: adinhodovic

.env

@@ -0,0 +1 @@
+export DJANGO_SETTINGS_MODULE=tests.settings

.github/workflows/test.yml

@@ -14,8 +14,8 @@ jobs:
     strategy:
       max-parallel: 3
       matrix:
-        python-version: [3.7, 3.8]
-        dj-version: [django22, django30, djangomaster]
+        python-version: [3.8, 3.9]
+        dj-version: [django22, django30, django31, djangomaster]
 
     steps:
       - uses: actions/checkout@v1

django_google_optimize/utils.py

@@ -51,7 +51,9 @@ def get_experiments_variants(request):
     return active_experiments
 
 
-def _parse_experiments(request,):
+def _parse_experiments(
+    request,
+):
     ga_exp = request.COOKIES.get("_gaexp")
 
     experiment_variations = {}
@@ -68,7 +70,7 @@ def _parse_experiments(request,):
         cookies = ExperimentCookie.objects.filter(active=True)
         for cookie in cookies:
             experiment_variations[
-                cookie.experiment.experiment_id
+                cookie.experiment.experiment_id  # type: ignore
             ] = cookie.active_variant_index
     if experiment_variations:
         return experiment_variations