do this instead

Author: leofang

.github/workflows/build-wheel.yml

@@ -46,18 +46,13 @@ jobs:
         # Skip the cache on Windows nodes outside of our org.
         if: ${{ inputs.host-platform != 'win-64' }}
 
-      - name: Set up one env var
-        run: |
-          # we use self-hosted runners on which setup-python behaves weirdly...
-          # see actions/setup-python#1087
-          # this can influence both setup-python and cibuildtools
-          echo "AGENT_TOOLSDIRECTORY=${{ runner.temp }}/SETUP_PYTHON" >> $GITHUB_ENV
-
       - name: Set up Python
-        id: setup-python
+        id: setup-python1
         uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065  # v5.6.0
         with:
-          python-version: ${{ matrix.python-version }}
+          # WAR: setup-python is not relocatable, and cibuildwheel hard-wires to 3.12...
+          # see https://github.com/actions/setup-python/issues/871
+          python-version: "3.12"
 
       - name: Set up MSVC
         if: ${{ startsWith(inputs.host-platform, 'win') }}
@@ -173,18 +168,6 @@ jobs:
           path: ${{ env.CUDA_BINDINGS_ARTIFACTS_DIR }}/*.whl
           if-no-files-found: error
 
-      - name: Build cuda.bindings Cython tests
-        run: |
-          pip install $(ls -l ${{ env.CUDA_BINDINGS_ARTIFACTS_DIR }}/*.whl)[test]
-          bash ${{ env.CUDA_BINDINGS_CYTHON_TESTS_DIR }}/build_tests.sh
-
-      - name: Upload cuda.bindings Cython tests
-        uses: actions/upload-artifact@v4
-        with:
-          name: ${{ env.CUDA_BINDINGS_ARTIFACT_NAME }}-tests
-          path: ${{ env.CUDA_BINDINGS_CYTHON_TESTS_DIR }}/test_*.${{ env.PY_EXT_SUFFIX }}
-          if-no-files-found: error
-
       # We only need/want a single pure python wheel, pick linux-64 index 0.
       - name: Build and check cuda-python wheel
         if: ${{ strategy.job-index == 0 && inputs.host-platform == 'linux-64' }}
@@ -212,3 +195,21 @@ jobs:
           name: cuda-python-wheel
           path: cuda_python/*.whl
           if-no-files-found: error
+
+      - name: Set up Python
+        id: setup-python2
+        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065  # v5.6.0
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Build cuda.bindings Cython tests
+        run: |
+          pip install $(ls -l ${{ env.CUDA_BINDINGS_ARTIFACTS_DIR }}/*.whl)[test]
+          bash ${{ env.CUDA_BINDINGS_CYTHON_TESTS_DIR }}/build_tests.sh
+
+      - name: Upload cuda.bindings Cython tests
+        uses: actions/upload-artifact@v4
+        with:
+          name: ${{ env.CUDA_BINDINGS_ARTIFACT_NAME }}-tests
+          path: ${{ env.CUDA_BINDINGS_CYTHON_TESTS_DIR }}/test_*.${{ env.PY_EXT_SUFFIX }}
+          if-no-files-found: error