From 435905101cf77e00f2faf73c9bc13151423bd722 Mon Sep 17 00:00:00 2001
From: Robert Raposa <rraposa@edx.org>
Date: Mon, 12 Sep 2016 10:25:09 -0400
Subject: [PATCH] Cache comment thread.

---
 lms/lib/comment_client/comment.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lms/lib/comment_client/comment.py b/lms/lib/comment_client/comment.py
index ae6f89921c..76f200f9f4 100644
--- a/lms/lib/comment_client/comment.py
+++ b/lms/lib/comment_client/comment.py
@@ -27,9 +27,15 @@ class Comment(models.Model):
     base_url = "{prefix}/comments".format(prefix=settings.PREFIX)
     type = 'comment'
 
+    def __init__(self, *args, **kwargs):
+        super(Comment, self).__init__(*args, **kwargs)
+        self._cached_thread = None
+
     @property
     def thread(self):
-        return Thread(id=self.thread_id, type='thread')
+        if not self._cached_thread:
+            self._cached_thread = Thread(id=self.thread_id, type='thread')
+        return self._cached_thread
 
     @property
     def context(self):