diff --git a/lib/errors.py b/lib/errors.py
index 04f28eb114e016cef039ab279743f649686cdec3..a44826c03b1bdf6810c8dedd331d4c59c1ac0704 100644
--- a/lib/errors.py
+++ b/lib/errors.py
@@ -201,6 +201,7 @@ class UnitParseError(GenericError):
 
 class SshKeyError(GenericError):
   """Invalid SSH key.
+
   """