Pin cuda-python (#624)

Fixes attempted in rapidsai/integration#695 & rapidsai/integration#697 don't play well with CEC at large, but this repo can pin `cuda-python` more restrictively.

This PR pins `cuda-python` to the CUDA `major.minor.*` version.

See also conda-forge/cuda-python-feedstock#66

Authors:
  - Ray Douglass (https://github.com/raydouglass)

Approvers:
  - Bradley Dice (https://github.com/bdice)
  - Jake Awe (https://github.com/AyodeAwe)

URL: #624

Dockerfile

@@ -45,11 +45,13 @@ WORKDIR /home/rapids
 
 COPY condarc /opt/conda/.condarc
 
+# cuda-python pin required for CUDA 12. See https://github.com/conda-forge/cuda-python-feedstock/issues/66
 RUN <<EOF
 mamba install -y -n base \
     "rapids=${RAPIDS_VER}.*" \
     "dask-sql=${DASK_SQL_VER%.*}.*" \
     "python=${PYTHON_VER}.*" \
+    "cuda-python=${CUDA_VER%.*}.*" \
     "cuda-version=${CUDA_VER%.*}.*" \
     ipython
 conda clean -afy