class_docstr: Device specification.
class_docstr_tok: ["Device","specification","."]
code: def __hash__(self):
      return hash(self.name_string())
  
imports: import os
  import re
  from enum import Enum
  from typing import NamedTuple, Optional, Dict
  import yaml
  import paramiko
  from autodist.utils import logging
  from autodist.utils.network import is_loopback_address, is_local_address
label_desc: Use image node_id 4 for calling the DeviceSpec obj's underlying member method code with example usage: obj.__hash__() and returns: hash