Merge pull request #1690 from matmair/bug-timezone-waning

fix for timezone warning on heartbeat

InvenTree/InvenTree/status.py

@@ -4,9 +4,10 @@ Provides system status functionality checks.
 # -*- coding: utf-8 -*-
 
 from django.utils.translation import ugettext_lazy as _
+from django.utils import timezone
 
 import logging
-from datetime import datetime, timedelta
+from datetime import timedelta
 
 from django_q.models import Success
 from django_q.monitor import Stat
@@ -34,7 +35,7 @@ def is_worker_running(**kwargs):
     Check to see if we have a result within the last 20 minutes
     """
 
-    now = datetime.now()
+    now = timezone.now()
     past = now - timedelta(minutes=20)
 
     results = Success.objects.filter(