class_docstr: Representation of an SSH connection.
  
  The connection is opened for execution of a single process, and closed
  as soon as the process end.
class_docstr_tok: ["Representation","of","an","SSH","connection",".","The","connection","is","opened","for","execution","of","a","single","process",",","and","closed","as","soon","as","the","process","end","."]
code: def open(self):
      return False
  
imports: import fasteners
  import os
  import logging
  from socket import gethostname
  from hashlib import md5
  from subprocess import Popen
  import tempfile
  import threading
  from datalad.utils import quote_cmdlinearg
  from datalad.support.exceptions import CapturedException, CommandError, ConnectionOpenFailedError
  from datalad.support.external_versions import external_versions
  from datalad.utils import auto_repr, Path, ensure_list, on_windows
  from datalad.cmd import NoCapture, StdOutErrCapture, WitlessRunner
  from ..None import cfg
label_desc: Use image node_id 3 for calling the NoMultiplexSSHConnection obj's underlying member method code with example usage: obj.open() and returns: False