code: def test_histogram_ellipsis_slice_range(self):
      frequencies, edges = np.histogram(range(20), 20)
      sliced = hv.Histogram((edges, frequencies))[0:5, ...]
      self.assertEqual(len(sliced.dimension_values(0)), 5)
  
imports: import numpy
  import holoviews
  from holoviews.element.comparison import ComparisonTestCase
label_desc: Use image node_id 8 for calling the TestEllipsisCharts obj's underlying member method code with example usage: obj.test_histogram_ellipsis_slice_range() without return types