Work around a bug in django 1.4 and 1.5 for qsstats that would not allow

it to work with USE_TZ = True

awx/api/views.py

@@ -257,10 +257,6 @@ class DashboardGraphView(APIView):
         period = request.QUERY_PARAMS.get('period', 'month')
         job_type = request.QUERY_PARAMS.get('job_type', 'all')
 
-        # Working around a django 1.5 bug:
-        # https://code.djangoproject.com/ticket/17260
-        settings.USE_TZ = False
-
         qs = User.objects.all()
         user_unified_jobs = get_user_queryset(request.user, UnifiedJob)
         user_hosts = get_user_queryset(request.user, Host)
@@ -322,9 +318,6 @@ class DashboardGraphView(APIView):
                 this_inventory['sources'].append(this_source)
             dashboard_data['inventory'].append(this_inventory)
 
-        # Setting it back
-        settings.USE_TZ = True
-
         return Response(dashboard_data)
 
 class ScheduleList(ListAPIView):

awx/lib/site-packages/qsstats/__init__.py

@@ -122,6 +122,12 @@ class QuerySetStats(object):
 
         stat_list = []
         dt = start
+        try:
+            from django.utils.timezone import utc
+            dt = dt.replace(tzinfo=utc)
+            end = end.replace(tzinfo=utc)
+        except ImportError:
+            pass
         while dt < end:
             idx = 0
             value = 0