code: def test_image_scale_intensity_range_none_clip(self):
      scaler = ScaleIntensityRange(
          a_min=20,
          a_max=108,
          b_min=None,
          b_max=80,
          clip=True,
          dtype=np.uint8,
      )
      for p in TEST_NDARRAYS:
          scaled = scaler(p(self.imt))
          self.assertTrue(scaled.dtype, np.uint8)
          expected = (np.clip((self.imt - 20) / 88, None, 80)).astype(
              np.uint8
          )
          assert_allclose(scaled, p(expected), type_test="tensor")
  
file_path: MONAI/tests/test_scale_intensity_range.py
imports: from __future__ import annotations
  import unittest
  import numpy
  from monai.transforms import ScaleIntensityRange
  from tests.utils import TEST_NDARRAYS, NumpyImageTestCase2D, assert_allclose
label_desc: Use image node_id 2 for calling the IntensityScaleIntensityRange obj's underlying member method code with example usage: obj.test_image_scale_intensity_range_none_clip() without return types