From 0eac7077c9e6049a86c6fb05ab127ffc84cf7315 Mon Sep 17 00:00:00 2001
From: Travis Ralston <travpc@gmail.com>
Date: Tue, 3 Sep 2019 09:01:30 -0600
Subject: [PATCH] Ensure an auth instance is available to ListMediaInRoom
 (#5967)

* Ensure an auth instance is available to ListMediaInRoom

Fixes https://github.com/matrix-org/synapse/issues/5737

* Changelog
---
 changelog.d/5967.bugfix     | 1 +
 synapse/rest/admin/media.py | 1 +
 2 files changed, 2 insertions(+)
 create mode 100644 changelog.d/5967.bugfix

diff --git a/changelog.d/5967.bugfix b/changelog.d/5967.bugfix
new file mode 100644
index 000000000000..8d7bf5c2e907
--- /dev/null
+++ b/changelog.d/5967.bugfix
@@ -0,0 +1 @@
+Fix list media admin API always returning an error.
diff --git a/synapse/rest/admin/media.py b/synapse/rest/admin/media.py
index f3f63f0be711..ed7086d09cb3 100644
--- a/synapse/rest/admin/media.py
+++ b/synapse/rest/admin/media.py
@@ -60,6 +60,7 @@ class ListMediaInRoom(RestServlet):
 
     def __init__(self, hs):
         self.store = hs.get_datastore()
+        self.auth = hs.get_auth()
 
     @defer.inlineCallbacks
     def on_GET(self, request, room_id):