Backwards compatibility with rust v1.75 (#98)

* Backwards compatibility with rust v1.75

* changelog

* typo

CHANGELOG.md

@@ -20,6 +20,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   of objects, leading to huge speed gains for large queries.
 - Fixed a bug where saving lists of SimultaneousStates had a bug where field of view
   information was not being saved correctly.
+- Fixed incompatibility with older versions of the rust compiler, working back to
+  at least v1.75.0
+
 
 ## [0.2.5] - 2024 - 8 - 12
 

src/neospy/rust/propagation.rs

@@ -191,7 +191,7 @@ pub fn propagation_n_body_py(
         .par_chunks(batch_size)
         .map(|chunk| {
             let (chunk_state, chunk_nongrav): (Vec<State>, Vec<Option<NonGravModel>>) =
-                chunk.iter().cloned().collect();
+                chunk.iter().cloned().unzip();
 
             propagation::propagate_n_body_vec(chunk_state, jd, planet_states.clone(), chunk_nongrav)
                 .map(|(states, planets)| {