From 6826593b8168d648b74a4d1c45ebe5aa66588d8e Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Thu, 2 Feb 2017 14:55:54 +0000
Subject: [PATCH] sets aren't JSON serializable

---
 synapse/rest/client/v2_alpha/keys.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/synapse/rest/client/v2_alpha/keys.py b/synapse/rest/client/v2_alpha/keys.py
index f99b53530a..6a3cfe84f8 100644
--- a/synapse/rest/client/v2_alpha/keys.py
+++ b/synapse/rest/client/v2_alpha/keys.py
@@ -193,7 +193,7 @@ class KeyChangesServlet(RestServlet):
         )
 
         defer.returnValue((200, {
-            "changed": changed
+            "changed": list(changed),
         }))
 
 
-- 
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