Function _unsupported

crates/vm/src/stdlib/_io.rs:206–211

(vm: &VirtualMachine, zelf: &PyObject, operation: &str)

    }

    fn _unsupported<T>(vm: &VirtualMachine, zelf: &PyObject, operation: &str) -> PyResult<T> {
        Err(new_unsupported_operation(
            vm,
            format!("{}.{}() not supported", zelf.class().name(), operation),
        ))
    }

    #[derive(FromArgs)]
    pub(super) struct OptionalSize {