code: def test_abstract_attribute_stringified():
      with pytest.raises(NotImplementedError):
  
          class A(eqx.Module):
              x: "AbstractVar[bool]"
  
file_path: equinox/tests/test_abstract.py
imports: import abc
  from typing import ClassVar, TYPE_CHECKING
  import equinox
  import pytest
label_desc: Use image node_id 2 for calling a global function with example usage: test_abstract_attribute_stringified() without return types