old_contents: '''
  >>> from pyrgb import *
  >>> import coverage
  >>> cov = coverage.Coverage()
  >>> cov.start()
  >>> hsv_rgb(240,1,0.5)
  [0, 0, 128]
  >>> hsv_rgb(60,1,1)
  [255, 255, 0]
  >>> hsl_rgb(240,1,0.25)
  [0, 0, 128]
  >>> hsl_rgb(0,0,0.75)
  [192, 192, 192]
  >>> hex_rgb('00FF00')
  [0, 255, 0]
  >>> hex_rgb('808080')
  [128, 128, 128]
  >>> cmyk_rgb(0,0,0,1)
  [0, 0, 0]
  >>> cmyk_rgb(1,0,0,0)
  [0, 255, 255]
  >>> cov.stop()
  >>> cov.save()
  
  '''
new_contents: '''
  >>> from pyrgb import *
  >>> import coverage
  >>> cov = coverage.Coverage()
  >>> cov.start()
  >>> hsv_rgb(240,1,0.5)
  [0, 0, 128]
  >>> hsv_rgb(50,1,0.5)
  [128, 107, 0]
  >>> hsv_rgb(60,1,1)
  [255, 255, 0]
  >>> hsv_rgb(120,1,1)
  [0, 255, 0]
  >>> hsv_rgb(180,1,1)
  [0, 255, 255]
  >>> hsv_rgb(330,1,1)
  [255, 0, 128]
  >>> hsl_rgb(240,1,0.25)
  [0, 0, 128]
  >>> hsl_rgb(0,0,0.75)
  [192, 192, 192]
  >>> hsl_rgb(60,1,0.25)
  [128, 128, 0]
  >>> hsl_rgb(120,1,0.25)
  [0, 128, 0]
  >>> hsl_rgb(180,1,0.25)
  [0, 128, 128]
  >>> hsl_rgb(330,1,0.25)
  [128, 0, 64]
  >>> hex_rgb('00FF00')
  [0, 255, 0]
  >>> hex_rgb('808080')
  [128, 128, 128]
  >>> cmyk_rgb(0,0,0,1)
  [0, 0, 0]
  >>> cmyk_rgb(1,0,0,0)
  [0, 255, 255]
  >>> zero_insert("2")
  '02'
  >>> zero_insert("02")
  '02'
  >>> rgb_hex(0,0,0)
  '000000'
  >>> rgb_hex(192,192,192)
  'C0C0C0'
  >>> rgb_hex(0,128,0)
  '008000'
  >>> rgb_hsv(255,0,0)
  [0, 1.0, 1.0]
  >>> rgb_hsv(128,128,0)
  [60, 1.0, 0.5]
  >>> rgb_hsl(128,0,0)
  [0, 1.0, 0.25]
  >>> rgb_hsl(255,255,0)
  [60, 1.0, 0.5]
  >>> rgb_cmyk(0,0,255)
  [1.0, 1.0, 0.0, 0.0]
  >>> rgb_cmyk(0,255,255)
  [1.0, 0.0, 0.0, 0.0]
  >>> cov.stop()
  >>> cov.save()
  
  '''
subject: fix : test file updated