code: def no_code(x, encoding=None):
      return x
  
file_path: catboost/contrib/python/ipython/py2/IPython/utils/py3compat.py
imports: import functools
  import os
  import sys
  import re
  import shutil
  import types
  import platform
  from .encoding import DEFAULT_ENCODING
label_desc: Use image node_id 1 for calling a global function with example usage: no_code(x, encoding) and returns: x