Replace ugettext by gettext

aleksis/apps/paweljong/data_checks.py

-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 from aleksis.core.data_checks import DataCheck, IgnoreSolveOption, SolveOption
 

aleksis/apps/paweljong/forms.py

 from django import forms
 from django.forms import fields
 from django.utils import dateformat, formats
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 from allauth.account.views import SignupForm
 from django_select2.forms import ModelSelect2MultipleWidget, ModelSelect2Widget

aleksis/apps/paweljong/tables.py

 from django.template.loader import render_to_string
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 import django_tables2 as tables
 from django_tables2.utils import A

aleksis/apps/paweljong/views.py

@@ -11,7 +11,7 @@ from django.utils import timezone
 from django.utils.decorators import method_decorator
 from django.utils.http import urlencode
 from django.utils.text import slugify
-from django.utils.translation import ugettext as _
+from django.utils.translation import gettext as _
 from django.views.decorators.cache import never_cache
 from django.views.generic import FormView, TemplateView, View
 from django.views.generic.detail import DetailView