From b99f6eb904c9614aacd3532196be410341d0640b Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Tue, 23 Sep 2014 15:29:27 +0100
Subject: [PATCH] Make sure we don't persist the 'pruned' key

---
 synapse/storage/__init__.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/synapse/storage/__init__.py b/synapse/storage/__init__.py
index 672ed6971e..46d420b632 100644
--- a/synapse/storage/__init__.py
+++ b/synapse/storage/__init__.py
@@ -206,7 +206,7 @@ class DataStore(RoomMemberStore, RoomStore,
         unrec = {
             k: v
             for k, v in event.get_full_dict().items()
-            if k not in vals.keys() and k is not "deleted"
+            if k not in vals.keys() and k not in ["deleted", "pruned"]
         }
         vals["unrecognized_keys"] = json.dumps(unrec)