1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/http/client.py b/synapse/http/client.py
index 127690e534..a735300db0 100644
--- a/synapse/http/client.py
+++ b/synapse/http/client.py
@@ -21,7 +21,7 @@ import synapse.metrics
 
 from canonicaljson import encode_canonical_json
 
-from twisted.internet import defer, reactor, ssl
+from twisted.internet import defer, reactor, ssl, protocol
 from twisted.web.client import (
     Agent, readBody, FileBodyProducer, PartialDownloadError,
 )