code: def test_modify_document_abstract(self) -> None:
      h = bahh.Handler()
      with pytest.raises(NotImplementedError):
          h.modify_document("doc")
  
file_path: bokeh/tests/unit/bokeh/application/handlers/test_handler.py
imports: from __future__ import annotations
  import pytest
  import bokeh.application.handlers.handler
label_desc: Use image node_id 2 for calling the Test_Handler obj's underlying member method code with example usage: obj.test_modify_document_abstract() without return types