code: def test_points_equal_2(self):
      self.assertEqual(self.points2, self.points2)
  
imports: import numpy
  from holoviews import Bars, Curve, Dimension, Histogram, Points, Scatter, VectorField
  from holoviews.element.comparison import ComparisonTestCase
label_desc: Use image node_id 3 for calling the PointsComparisonTest obj's underlying member method code with example usage: obj.test_points_equal_2() without return types