def __init__(self, workflow, **kwargs):
super(EnsembleModelWorkflow, self).__init__(workflow, **kwargs)
self.histogram = AutoHistogramPlotter(self)
self.histogram.input = self.ensemble.fitnesses
self.histogram.link_from(self.ensemble)
self.repeater.unlink_from(self.ensemble)
self.repeater.link_from(self.histogram)
