Function error_hook

tests/integration/test_hooks.py:265–270

(error)

    @hooks.error()
    def error_hook(error):
        try:
            retrieved_app = get_app()
            hook_access_results["error_hook"] = retrieved_app is not None
        except Exception:
            hook_access_results["error_hook"] = False

    @hooks.callback(
        Output("hook-output", "children"),