Merge pull request #592 from yilmi/fix_django_ugettext_lazy_deprecation

Fix deprecated Django API

Signed-off-by: Philippe Ombredanne <pombredanne@nexb.com>

vulnerabilities/models.py

@@ -25,7 +25,7 @@
 
 from django.db import models
 from django.core.exceptions import ValidationError
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from packageurl.contrib.django.models import PackageURLMixin
 from packageurl import PackageURL