old_contents: import numpy as np
  from .. import dark_scale
  
  def test_dark_temp_scale():
      scale = dark_scale.dark_temp_scale(-10., -14)
      assert np.allclose(scale, 0.70)
  
      scale = dark_scale.dark_temp_scale(-10., -14, scale_4c=2.0)
      assert scale == 0.5  # Should be an exact match
  
new_contents: import numpy as np
  from ..dark_model import dark_temp_scale
  
  def test_dark_temp_scale():
      scale = dark_temp_scale(-10., -14)
      assert np.allclose(scale, 0.70)
  
      scale = dark_temp_scale(-10., -14, scale_4c=2.0)
      assert scale == 0.5  # Should be an exact match
  
subject: Update path to dark_temp_scale in test