diff --git a/synapse/config/server.py b/synapse/config/server.py
index 292c3e7431..60fe558cc8 100644
--- a/synapse/config/server.py
+++ b/synapse/config/server.py
@@ -130,7 +130,6 @@ class ServerConfig(Config):
             "federation_ip_range_blacklist", [],
         )
 
-
         # Attempt to create an IPSet from the given ranges
         try:
             self.federation_ip_range_blacklist = IPSet(