code: def test_self_registration(app, client) -> None:
      bp = flask.Blueprint("bp", __name__)
      with pytest.raises(ValueError):
          bp.register_blueprint(bp)
  
imports: import pytest
  from jinja2 import TemplateNotFound
  from werkzeug.http import parse_cache_control_header
  import flask
label_desc: Use image node_id 46 for calling a global function with example usage: test_self_registration(app, client) without return types