--- a/cubicweb/__init__.py	Tue Nov 15 11:44:05 2016 +0100
+++ b/cubicweb/__init__.py	Wed Nov 16 17:12:09 2016 +0100
@@ -157,6 +157,8 @@
 
 def check_password(eschema, value):
     return isinstance(value, (binary_type, Binary))
+
+
 BASE_CHECKERS['Password'] = check_password
 
 
@@ -164,6 +166,8 @@
     if isinstance(value, Binary):
         return value
     return binary_type(value)
+
+
 BASE_CONVERTERS['Password'] = str_or_binary
 
 
@@ -224,6 +228,7 @@
             else:
                 callback(context, *args, **kwargs)
 
+
 CW_EVENT_MANAGER = CubicWebEventManager()