from django.urls import reverse
from django.db import models
from django import template
-from django.utils.timezone import now
-from django.utils.translation import ugettext_lazy as _, ungettext, ugettext, get_language
+from django.utils.timezone import now, utc
+from django.utils.translation import gettext_lazy as _, ngettext, gettext, get_language
from django_countries.fields import CountryField
-from pytz import utc
from catalogue.utils import get_random_hash
from messaging.states import Level
from reporting.utils import render_to_pdf