Method readinto

crates/vm/src/stdlib/_io.rs:710–712

(_instance: PyObjectRef, _args: FuncArgs, vm: &VirtualMachine)

        #[pymethod]
        fn readinto(_instance: PyObjectRef, _args: FuncArgs, vm: &VirtualMachine) -> PyResult {
            Err(vm.new_not_implemented_error(String::new()))
        }

        #[pymethod]
        fn write(_instance: PyObjectRef, _args: FuncArgs, vm: &VirtualMachine) -> PyResult {