code: def istype(obj, check):
      """like isinstance(obj, check), but strict
  
      This won't catch subclasses.
      """
      if isinstance(check, tuple):
          return any(type(obj) is cls for cls in check)
      return type(obj) is check
  
imports: import typing
  import warnings
  import copy
  import pickle
  import sys
  from types import FunctionType
  from ipyparallel.serialize import codeutil
  from traitlets.log import get_logger
  from traitlets.utils.importstring import import_item
label_desc: Use image node_id 6 for calling a global function with example usage: istype(obj, check) and returns: unknown, any