code: def contextmanager(func):
      # Enable Pylint config: contextmanager-decorators=decorator.contextmanager
      return _contextmanager(func)
  
imports: from __future__ import print_function
  import re
  import sys
  import inspect
  import operator
  import itertools
  import collections
label_desc: Use image node_id 3 for calling a global function with example usage: contextmanager(func) and returns: _contextmanager