Temporary upper pin in JAX

.github/workflows/test.yml

@@ -167,7 +167,7 @@ jobs:
           else
             micromamba install --yes -q "python~=${PYTHON_VERSION}" numpy "scipy<1.17.0" "numba>=0.63" pip graphviz cython pytest coverage pytest-cov pytest-benchmark pytest-mock pytest-sphinx mkl mkl-service;
           fi
-          if [[ $INSTALL_JAX == "1" ]]; then micromamba install --yes -q -c conda-forge "python~=${PYTHON_VERSION}" && pip install "jax>=0.8" jaxlib numpyro equinox tfp-nightly; fi
+          if [[ $INSTALL_JAX == "1" ]]; then micromamba install --yes -q -c conda-forge "python~=${PYTHON_VERSION}" && pip install "jax>=0.8,<0.9.1" jaxlib numpyro equinox tfp-nightly; fi
           if [[ $INSTALL_TORCH == "1" ]]; then micromamba install --yes -q -c conda-forge "python~=${PYTHON_VERSION}" pytorch pytorch-cuda=12.1 "mkl<=2024.0" -c pytorch -c nvidia; fi
           if [[ $INSTALL_MLX == "1" ]]; then micromamba install --yes -q -c conda-forge "python~=${PYTHON_VERSION}" "mlx<0.29.4"; fi
           if [[ $INSTALL_XARRAY == "1" ]]; then micromamba install --yes -q -c conda-forge "python~=${PYTHON_VERSION}" xarray xarray-einstats; fi