code: def check_codec(feature):
      if feature not in codecs:
          raise ValueError("Unknown codec %s" % feature)
  
      codec = codecs[feature]
  
      return codec + "_encoder" in dir(Image.core)
  
file_path: catboost/contrib/python/Pillow/py2/PIL/features.py
imports: from __future__ import print_function, unicode_literals
  import collections
  import os
  import sys
  import PIL
  from .None import Image
label_desc: Use image node_id 3 for calling a global function with example usage: check_codec(feature) and returns: unknown