class_docstr: Wrapper that uses cloudpickle to pickle and unpickle the result.
docstr: Calls the function `self.fn` with no arguments.
docstr_tok: ["Calls","the","function","`","self.fn","`","with","no","arguments","."]
code: def __call__(self):
      """Calls the function `self.fn` with no arguments."""
      return self.fn()
  
imports: import contextlib
  import os
label_desc: Use image node_id 4 for calling the CloudpickleWrapper obj's underlying member method code with example usage: obj.__call__() and returns: self