

def test_calculate_histogram_efficient(self):
    ct = self.setup_hist_calc_counter()
    self.artist.update()
    assert (ct.call_count == 1)
    self.artist.update()
    assert (ct.call_count == 1)

dataset/ETHPy150Open glue-viz/glue/glue/viewers/histogram/tests/test_client.py TestHistogramLayerArtist.test_calculate_histogram_efficient/original