old_contents: def unittest(data_path, temp_path):
      import image
      from image import SEARCH_EX, SEARCH_DS
      img = image.Image("unittest/data/graffiti.pgm", copy_to_fb=True)
      temp = image.Image("unittest/data/template.pgm", copy_to_fb=False)
      r = img.find_template(temp, 0.70, step=4, search=SEARCH_DS)
      return r == (150, 128, 40, 40)
  
new_contents: def unittest(data_path, temp_path):
      import image
      try:
          from image import SEARCH_EX, SEARCH_DS
      except Exception as e:
          raise Exception("function unavailable")
      img = image.Image("unittest/data/graffiti.pgm", copy_to_fb=True)
      temp = image.Image("unittest/data/template.pgm", copy_to_fb=False)
      r = img.find_template(temp, 0.70, step=4, search=SEARCH_DS)
      return r == (150, 128, 40, 40)
  
subject: Update unit test.