code: def default_namespace(self):
      return self._default_namespace
  
imports: from typing import Dict, Optional, TypeVar, Union
  import os
  import json
  import logging
  from ..utils import first_extant_file
  from .user_config import get_user_config
label_desc: Use image node_id 7 for calling the DeployConfig obj's underlying member method code with example usage: obj.default_namespace() and returns: self