Make datetimes aware

Author: stveit

python/nav/models/api.py

@@ -20,6 +20,7 @@
 from django.contrib.postgres.fields import HStoreField
 from django.db import models
 from django.urls import reverse
+from django.utils import djangotimezone
 
 from nav.models.fields import VarcharField
 from nav.models.profiles import Account
@@ -84,7 +85,7 @@ def is_active(self) -> bool:
         `activates` is in the past and `expires` is in the future.
         """
         now = datetime.now(tz=timezone.utc)
-        return now >= self.activates and now < self.expires
+        return djangotimezone.now() >= self.activates and now < self.expires
 
     class Meta(object):
         db_table = 'jwtrefreshtoken'