update mitxmako lookup / fixes FOR-150

lms/djangoapps/django_comment_client/utils.py

@@ -12,7 +12,7 @@ from django.utils import simplejson
 from django_comment_common.models import Role
 from django_comment_client.permissions import check_permissions_by_view
 
-from mitxmako import middleware
+import mitxmako
 import pystache_custom as pystache
 
 from xmodule.modulestore.django import modulestore
@@ -335,7 +335,7 @@ def url_for_tags(course_id, tags):
 
 
 def render_mustache(template_name, dictionary, *args, **kwargs):
-    template = middleware.lookup['main'].get_template(template_name).source
+    template = mitxmako.lookup['main'].get_template(template_name).source
     return pystache.render(template, dictionary)