Replace ugettext_lazy by gettext_lazy. Advances AlekSIS#224

aleksis/apps/alsijil/forms.py

@@ -2,7 +2,7 @@ from datetime import datetime
 
 from django import forms
 from django.db.models import Count
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 from django_select2.forms import Select2Widget