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if self.klass is not None:
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self.ui = self.klass(**self.kwargs)
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self.memento = MementoHandler()
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self.memento.setLevel(logging.DEBUG)
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gui.logger.addHandler(self.memento)
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def assert_image_equal(self, image, filename):
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"""Check that expected and actual represent the same image."""
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pb = gui.gtk.gdk.pixbuf_new_from_file(gui.get_data_file(filename))