fix optax version for issues with automatic differentiation tests

Author: CarlottaSartore

environment.yml

@@ -11,7 +11,7 @@ dependencies:
   - jaxlib >= 0.4.26
   - jaxlie >= 1.3.0
   - jax-dataclasses >= 1.4.0
-  - optax >= 0.2.3
+  - optax == 0.2.3
   - pptree
   - qpax
   - rod >= 0.3.3

pyproject.toml

@@ -51,7 +51,7 @@ dependencies = [
     "jaxlie >= 1.3.0",
     "jax_dataclasses >= 1.4.0",
     "pptree",
-    "optax >= 0.2.3",
+    "optax == 0.2.3",
     "qpax",
     "rod >= 0.3.3",
     "typing_extensions ; python_version < '3.12'",