1 files changed, 2 insertions, 4 deletions
diff --git a/synapse/replication/http/_base.py b/synapse/replication/http/_base.py
index 793cef6c26..9caf1e80c1 100644
--- a/synapse/replication/http/_base.py
+++ b/synapse/replication/http/_base.py
@@ -16,12 +16,10 @@
 import abc
 import logging
 import re
+import urllib
 from inspect import signature
 from typing import Dict, List, Tuple
 
-from six import raise_from
-from six.moves import urllib
-
 from twisted.internet import defer
 
 from synapse.api.errors import (
@@ -220,7 +218,7 @@ class ReplicationEndpoint(object):
                 # importantly, not stack traces everywhere)
                 raise e.to_synapse_error()
             except RequestSendFailed as e:
-                raise_from(SynapseError(502, "Failed to talk to master"), e)
+                raise SynapseError(502, "Failed to talk to master") from e
 
             return result