def __init__(self, frame, items):
        frame.size = self._find_size_to_contain(items)
        view.View.__init__(self, frame)
        self.items = items
        self.selected_index = None
        self.on_selected = callback.Signal()
        self.on_deselected = callback.Signal()
Required by the IFTTT endpoint test suite.
dataset/ETHPy150Open fictorial/pygameui/pygameui/listview.py/ListView.__init__--crossover with--dataset/ETHPy150Open wikimedia/ifttt/ifttt/core.py/test_setup