Found one more naive datetime

Author: davidfischer

readthedocs/core/admin.py

@@ -1,12 +1,13 @@
 """Django admin interface for core models."""
 
 from __future__ import absolute_import
-from datetime import datetime, timedelta
+from datetime import timedelta
 
 from django.contrib import admin
 from django.contrib.auth.models import User
 from django.contrib.auth.admin import UserAdmin
 from django.utils.translation import ugettext_lazy as _
+from django.utils import timezone
 
 from readthedocs.core.models import UserProfile
 from readthedocs.projects.models import Project
@@ -50,7 +51,7 @@ def queryset(self, request, queryset):
         if self.value() == self.PROJECT_BUILT:
             return queryset.filter(projects__versions__built=True)
         if self.value() == self.PROJECT_RECENT:
-            recent_date = datetime.today() - timedelta(days=365)
+            recent_date = timezone.now() - timedelta(days=365)
             return queryset.filter(projects__builds__date__gt=recent_date)