Unset CUDA_PATH instead

Author: shwina

ci/test_cuda_cccl_examples_python.sh

@@ -27,11 +27,12 @@ fi
 CUDA_CCCL_WHEEL_PATH="$(ls /home/coder/cccl/wheelhouse/cuda_cccl-*.whl)"
 python -m pip install "${CUDA_CCCL_WHEEL_PATH}[test-cu${cuda_major_version}]"
 
-# On CUDA 12.0, install cuda-toolkit components to supplement the environment
+# Workaround for https://github.com/cupy/cupy/issues/9719,
+# which is caused by some complex interaction of cupy, pathfinder and the environment.
 if [[ "${cuda_major_version}" == "12" && "${cuda_minor_version}" == "0" ]]; then
-  python -m pip install "cuda-toolkit[cudart,nvcc,nvrtc,nvjitlink]==12.0.*"
+  unset CUDA_PATH
 fi
 
-# Run tests for parallel module
+# Run examples
 cd "/home/coder/cccl/python/cuda_cccl/tests/"
 python -m pytest -n 6 test_examples.py

ci/test_cuda_compute_python.sh

@@ -29,9 +29,8 @@ python -m pip install "${CUDA_CCCL_WHEEL_PATH}[test-cu${cuda_major_version}]"
 
 # Workaround for https://github.com/cupy/cupy/issues/9719,
 # which is caused by some complex interaction of cupy, pathfinder and the environment.
-# Ensuring the environment has all CUDA components fixes it:
 if [[ "${cuda_major_version}" == "12" && "${cuda_minor_version}" == "0" ]]; then
-  python -m pip install "cuda-toolkit[cudart,nvcc,nvrtc,nvjitlink]==12.0.*"
+  unset CUDA_PATH
 fi
 
 # Run tests for compute module