code: def check_feature(feature):
      if feature not in features:
          raise ValueError("Unknown feature %s" % feature)
  
      module, flag = features[feature]
  
      try:
          imported_module = __import__(module, fromlist=["PIL"])
          return getattr(imported_module, flag)
      except ImportError:
          return None
  
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 5 for calling a global function with example usage: check_feature(feature) and returns: getattr, None