class_docstr_tok: []
code: def has_unstable_default(self, obj: HasProps) -> bool:
      return obj.lookup(self.aliased_name).has_unstable_default(obj)
  
imports: from __future__ import annotations
  import logging
  from copy import copy
  from types import FunctionType
  from typing import TYPE_CHECKING, Any, Callable, Generic, TypeVar
  from ...util.deprecation import deprecated
  from .singletons import Undefined
  from .wrappers import PropertyValueColumnData, PropertyValueContainer
label_desc: Use image node_id 6 for calling the AliasPropertyDescriptor obj's underlying member method code with example usage: obj.has_unstable_default(obj) and returns: obj