Rename ugettext reference

aleksis/apps/chronos/views.py

@@ -7,7 +7,7 @@ from django.http import HttpRequest, HttpResponse, HttpResponseNotFound
 from django.shortcuts import get_object_or_404, redirect, render
 from django.urls import reverse
 from django.utils import timezone
-from django.utils.translation import ugettext as _
+from django.utils.translation import gettext as _
 from django.views.decorators.cache import never_cache
 
 import reversion