code: def mpi_built(verbose=False):
      for ext_base_name in EXTENSIONS:
          built_fn = lambda ext: ext.mpi_built()
          result = _check_extension_lambda(
              ext_base_name, built_fn, "built with MPI", verbose
          )
          if result is not None:
              return result
      return False
  
file_path: bluefog/bluefog/common/util.py
imports: from contextlib import contextmanager
  from multiprocessing import Process, Queue
  import os
  import sysconfig
label_desc: Use image node_id 7 for calling a global function with example usage: mpi_built(verbose) and returns: False, result