code: def test_image_clone(self):
      vals = np.random.rand(20, 20)
      xs = np.linspace(0, 10, 20)
      ys = np.linspace(0, 10, 20)
      ys[-1] += 0.001
      img = Image(
          {"vals": vals, "xs": xs, "ys": ys},
          ["xs", "ys"],
          "vals",
          rtol=10e-3,
      )
      self.assertEqual(img.clone().rtol, 10e-3)
  
file_path: holoviews/holoviews/tests/element/test_image.py
imports: import numpy
  import holoviews
  from holoviews.element import Curve, Image
  from ..utils import LoggingComparisonTestCase
label_desc: Use image node_id 10 for calling the TestImage obj's underlying member method code with example usage: obj.test_image_clone() without return types