code: def test_curve_ellipsis_slice_y(self):
      sliced = hv.Curve([(i, 2 * i) for i in range(10)])[..., 3:9]
      self.assertEqual(sliced.range("y"), (4, 8))
  
imports: import numpy
  import holoviews
  from holoviews.element.comparison import ComparisonTestCase
label_desc: Use image node_id 2 for calling the TestEllipsisCharts obj's underlying member method code with example usage: obj.test_curve_ellipsis_slice_y() without return types