Function operator()

include/pybind11/pybind11.h:3607–3607

    PYBIND11_DEPRECATED("Please use py::set_error() instead "
                        "(https://github.com/pybind/pybind11/pull/4772)")
    void operator()(const char *message) const { set_error(*this, message); }
};

PYBIND11_NAMESPACE_BEGIN(detail)