class_docstr: Pool using MPI processes as workers.
docstr: Return pool.
docstr_tok: ["Return","pool","."]
code: def __enter__(self):
      """Return pool."""
      return self
  
imports: from os import cpu_count
  import functools
  import operator
  import threading
  import warnings
  import weakref
  from ..None import futures
label_desc: Use image node_id 15 for calling the Pool obj's underlying member method code with example usage: obj.__enter__() and returns: self