CMS urls cleanup for Django 1.11

- Remove usage of django.urls.patterns
- Change urls tuples to lists
- Make all string view names callables

cms/djangoapps/contentstore/api/urls.py

@@ -1,18 +1,10 @@
 """ Course Import API URLs. """
 from django.conf import settings
-from django.conf.urls import (
-    patterns,
-    url,
-)
+from django.conf.urls import url
 
 from cms.djangoapps.contentstore.api import views
 
-urlpatterns = patterns(
-    '',
-    url(
-        r'^v0/import/{course_id}/$'.format(
-            course_id=settings.COURSE_ID_PATTERN,
-        ),
-        views.CourseImportView.as_view(), name='course_import'
-    ),
-)
+urlpatterns = [
+    url(r'^v0/import/{course_id}/$'.format(course_id=settings.COURSE_ID_PATTERN,),
+        views.CourseImportView.as_view(), name='course_import'),
+]