Remove unused imports from tests (User, text_type)

Author: francoisfreitag

djangosaml2/tests/__init__.py

@@ -22,14 +22,13 @@
 
 from django.conf import settings
 from django.contrib.auth import SESSION_KEY, get_user_model
-from django.contrib.auth.models import User, AnonymousUser
+from django.contrib.auth.models import AnonymousUser
 from django.contrib.sessions.middleware import SessionMiddleware
 from django.core.urlresolvers import reverse
 from django.template import Template, Context
 from django.test import TestCase
 from django.test.client import RequestFactory
 from django.utils.text import force_text
-from django.utils.six import text_type
 from django.utils.six.moves.urllib.parse import urlparse, parse_qs
 
 from saml2.config import SPConfig