From e4df0e189dea7f719c019c562ca811be90e2a5b1 Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Wed, 29 Mar 2017 11:02:35 +0100
Subject: [PATCH] Decrank last commit

---
 synapse/storage/end_to_end_keys.py | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/synapse/storage/end_to_end_keys.py b/synapse/storage/end_to_end_keys.py
index 1fafeae3f3..7cbc1470fd 100644
--- a/synapse/storage/end_to_end_keys.py
+++ b/synapse/storage/end_to_end_keys.py
@@ -150,10 +150,11 @@ class EndToEndKeyStore(SQLBaseStore):
         new_keys = []  # Keys that we need to insert
         for algorithm, key_id, json_bytes in key_list:
             ex_bytes = existing_key_map.get((algorithm, key_id), None)
-            if ex_bytes and json_bytes != ex_bytes:
-                raise SynapseError(
-                    400, "One time key with key_id %r already exists" % (key_id,)
-                )
+            if ex_bytes:
+                if json_bytes != ex_bytes:
+                    raise SynapseError(
+                        400, "One time key with key_id %r already exists" % (key_id,)
+                    )
             else:
                 new_keys.append((algorithm, key_id, json_bytes))
 
-- 
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