Avoid warning about __init__ taking no arguments

site_cubicweb.py

@@ -34,8 +34,8 @@ def __new__(cls, *args, **kwargs):
     """Add a __module__ attribute telling the module where the instance was
     created, for automatic registration.
     """
-    self = super(registry.RegistrableInstance, cls).__new__(cls)
     module = kwargs.pop('__module__', None)
+    self = super(registry.RegistrableInstance, cls).__new__(cls)
     if module is None:
         filepath = traceback.extract_stack(limit=2)[0][0]
         module = registry._modname_from_path(filepath)
@@ -44,8 +44,8 @@ def __new__(cls, *args, **kwargs):
 
 
 @monkeypatch(rtags.RelationTags)
-def __init__(self, **kwargs):
-    super(rtags.RelationTags, self).__init__(**kwargs)
+def __init__(self, __module__=None):
+    super(rtags.RelationTags, self).__init__()
     self._tagdefs = {}