Function new_unsupported_operation

crates/vm/src/stdlib/_io.rs:201–204

(vm: &VirtualMachine, msg: String)

    }

    pub fn new_unsupported_operation(vm: &VirtualMachine, msg: String) -> PyBaseExceptionRef {
        vm.new_os_subtype_error(unsupported_operation().to_owned(), None, msg)
            .upcast()
    }

    fn _unsupported<T>(vm: &VirtualMachine, zelf: &PyObject, operation: &str) -> PyResult<T> {
        Err(new_unsupported_operation(