Prefer new style of config passing, parent=self (replaces config=self.config)

IPython/nbconvert/transformers/base.py

@@ -35,7 +35,9 b' class ConfigurableTransformer(GlobalConfigurable):'
     or __call__ if you prefer your own logic. See corresponding docstring for informations.
     """
     
-    def __init__(self, config=None, **kw):
+    enabled = Bool(False, config=True)
+
+    def __init__(self, **kw):
         """
         Public constructor
         
@@ -47,7 +49,7 b' class ConfigurableTransformer(GlobalConfigurable):'
             Additional arguments
         """
         
-        super(ConfigurableTransformer, self).__init__(config=config, **kw)
+        super(ConfigurableTransformer, self).__init__(**kw)
 
        
     def __call__(self, nb, resources):

IPython/nbconvert/utils/config.py

@@ -33,5 +33,5 b' class GlobalConfigurable(Configurable):'
                     """
             )
 
-    def __init__(self, config=None, **kw):
-        super(GlobalConfigurable, self).__init__( config=config, **kw)
+    def __init__(self, **kw):
+        super(GlobalConfigurable, self).__init__(**kw)