code: def parallel_helper(obj, methodname, *args, **kwargs):
      """Helper to workaround Python 2 limitations of pickling instance methods"""
      return getattr(obj, methodname)(*args, **kwargs)
  
file_path: catboost/contrib/python/scikit-learn/py2/sklearn/utils/fixes.py
imports: import warnings
  import sys
  import functools
  import os
  import errno
  import numpy
  import scipy.sparse
  import scipy
label_desc: Use image node_id 2 for calling a global function with example usage: parallel_helper(obj, methodname) and returns: getattr