bonobo.errors.UnrecoverableTypeError  Input of <__main__.Normalize object at 0x00000261F76EDD30> does not bind to the node signature.
                                        Args: (<NodeExecutionContext(+Normalize) in=1>,)
                                        Input: Bag(b={'b': 'b'})
                                        Kwargs: {}
                                        Signature: (context, b, f)
 - A in=1 out=1 [done]
 - B in=1 out=1 [done]
 - F in=1 out=1 [done]
 - G in=1 out=1 [done]
 ! Normalize in=1 err=1 [defunct]