docstr: Return key in configuration for instance type
docstr_tok: ["Return","key","in","configuration","for","instance","type"]
code: def instance_type_key(self):
      """Return key in configuration for instance type"""
  
imports: import logging
  from abc import ABC, abstractmethod
  from os import environ
  import attr
  from ..backend_api import Session
  from ..backend_api.session.defs import ENV_AUTH_TOKEN
label_desc: Use image node_id 6 for calling the CloudDriver obj's underlying member method code with example usage: obj.instance_type_key() without return types