configure settings before performing third-party imports

src/authentic2/__init__.py

@@ -19,6 +19,8 @@ import django
 default_app_config = 'authentic2.app.Authentic2Config'
 
 if django.VERSION < (2,):
+    from django.conf import settings
+    settings.configure()
     from . import validators
     from django.forms import fields
     import rest_framework.fields