def func(data, mask):
    return data[~mask]

callable = func

amplitude = bwpy.signal.amplitude(slice, 100)
artifacts = bwpy.signal.detect_artifacts(amplitude)
amplitude_data = amplitude.data
shutter = bwpy.signal.shutter(artifacts, amplitude_data, 200, callable)
mea_viewer.MEAViewer().build_view(
    file, slice=shutter, view_method="amplitude", bin_size=10
).show()