Method set_log_handler

imperative/python/src/utils.cpp:43–46

    using LogLevel = mgb::LogLevel;
    using LogHandler = mgb::LogHandler;
    static void set_log_handler(py::object logger_p) {
        logger = logger_p;
        mgb::set_log_handler(py_log_handler);
    }
    static LogLevel set_log_level(LogLevel log_level) {
        return mgb::set_log_level(log_level);
    }