diff --git a/webssh/policy.py b/webssh/policy.py
index 638ee20..b658e30 100644
--- a/webssh/policy.py
+++ b/webssh/policy.py
@@ -80,4 +80,6 @@ class AutoAddPolicy(paramiko.client.MissingHostKeyPolicy):
                     f.write('{} {} {}\n'.format(
                         hostname, keytype, key.get_base64()
                     ))
+
+
 paramiko.client.AutoAddPolicy = AutoAddPolicy