message: Mark Range as not serializable
diff: @@ -25,13 +25,14 @@ use std::{
  use gazebo::prelude::*;
  +use crate as starlark;
  use crate::values::{
  index::{convert_index, convert_slice_indices},
  Heap, StarlarkValue, Value, ValueError, ValueLike,
  };
  /// Representation of `range()` type.
  -#[derive(Clone, Copy, Dupe, Debug)]
  +#[derive(Clone, Copy, Dupe, Debug, NoSerialize)]
  pub struct Range {
  start: i32,
  stop: i32,
  