Drop legacy imports

This is required for Django 3.x+

tests/tests.py

@@ -3,7 +3,6 @@ from __future__ import unicode_literals
 from django.contrib.auth.models import User
 from django.test import Client, TestCase
 from django.urls import reverse
-from django.utils import six
 
 
 class Tuc2014TestCase(TestCase):
@@ -16,7 +15,7 @@ class Tuc2014TestCase(TestCase):
         response = self.client.get('/')
         self.assertEquals(response.status_code, 200)
 
-        self.assertTrue(self.CONTENT_BLOCK in six.text_type(response.content, "utf-8"))
+        self.assertTrue(self.CONTENT_BLOCK in str(response.content, "utf-8"))
 
     def test_admin(self):
         user = User.objects.create_superuser(username="test", email="", password="test")

tests/urls.py

-from django.conf.urls import url
+from django.urls import re_path
 from django.contrib import admin
 from .views import index
 
 urlpatterns = [
-    url(r'^$', index),
-    url('admin/', admin.site.urls),
+    re_path(r'^$', index),
+    re_path('admin/', admin.site.urls),
 ]
 
 

tuc2014/context_processors.py

@@ -2,11 +2,7 @@
 from __future__ import unicode_literals
 import datetime
 from django.conf import settings
-try:
-    # Available in Django 1.10+
-    from django.urls import reverse
-except ImportError:
-    from django.core.urlresolvers import reverse
+from django.urls import reverse
 
 
 def tucal(request):

tuc2014/urls.py

 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
-from django.conf.urls import include, url
+from django.urls import include, re_path
 
 from .views import change_language
 
 
 app_name = 'tuc2014'
 urlpatterns = [
-    url(r'^i18n/', include(('django.conf.urls.i18n', 'djangoi18n'), namespace='djangoi18n')),
-    url(r'^$', change_language, name='change_language')
+    re_path(r'^i18n/', include(('django.conf.urls.i18n', 'djangoi18n'), namespace='djangoi18n')),
+    re_path(r'^$', change_language, name='change_language')
 ]