From 9951f43764ee83142d0ebd6a7a4967c97160e9cb Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Thu, 25 Jun 2015 11:57:54 +0100
Subject: [PATCH] Add unwrapFirstError

---
 synapse/crypto/keyring.py | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/synapse/crypto/keyring.py b/synapse/crypto/keyring.py
index 2cfec39851..3bfe8fcbce 100644
--- a/synapse/crypto/keyring.py
+++ b/synapse/crypto/keyring.py
@@ -291,10 +291,13 @@ class Keyring(object):
 
             defer.returnValue(keys)
 
-        results = yield defer.gatherResults([
-            get_key(server_name, key_ids)
-            for server_name, key_ids in server_name_and_key_ids
-        ])
+        results = yield defer.gatherResults(
+            [
+                get_key(server_name, key_ids)
+                for server_name, key_ids in server_name_and_key_ids
+            ],
+            consumeErrors=True,
+        ).addErrback(unwrapFirstError)
 
         merged = {}
         for result in results: