code: def __getattr__(self, value):
      label = value.lower()
      if label in COLOR_NAME_TO_RGB:
          return rgb2hsl(
              tuple(v / 255.0 for v in COLOR_NAME_TO_RGB[label])
          )
      raise AttributeError(
          "%s instance has no attribute %r" % (self.__class__, value)
      )
  
imports: from __future__ import with_statement, print_function
  import hashlib
  import re
  import sys
label_desc: Use image node_id 1 for calling the C_HSL obj's underlying member method code with example usage: obj.__getattr__(value) and returns: rgb2hsl