diff --git a/electrumx/server/peers.py b/electrumx/server/peers.py
index 81c0d3e..2160e25 100644
--- a/electrumx/server/peers.py
+++ b/electrumx/server/peers.py
@@ -304,7 +304,7 @@ class PeerManager(object):
                 elif peer.host in match.features['hosts']:
                     match.update_features_from_peer(peer)
             # Trim this data structure
-            self.recent_peer_adds = {k:v for k, v in self.recent_peer_adds.items()
+            self.recent_peer_adds = {k: v for k, v in self.recent_peer_adds.items()
                                      if v + PEER_ADD_PAUSE < now}
         else:
             # Forget the peer if long-term unreachable