fix for pre-commit failed job - Error: vllm/executor/ray_distributed_executor.py:531: error: Library stubs not installed for "pkg_resources" (7)

Signed-off-by: Alexandru Badea <george-alexandru.badea@ionos.com>a
Signed-off-by: Alexandru Badea <george-alexandru.badea@ionos.com>

Author: abadea-ionos

.github/workflows/pre-commit.yml

@@ -9,22 +9,25 @@ jobs:
   pre-commit:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
-    - uses: actions/setup-python@v5
+    - uses: actions/checkout@v4 # Keep this as v4
+    - uses: actions/setup-python@v5 # Keep this as v5
       with:
         python-version: "3.12"
     - run: echo "::add-matcher::.github/workflows/matchers/actionlint.json"
     - run: echo "::add-matcher::.github/workflows/matchers/mypy.json"
-    - name: Set VLLM_TARGET_DEVICE to CPU for pre-commit checks
-      run: echo "VLLM_TARGET_DEVICE=cpu" >> $GITHUB_ENV
+    
+    - name: Set VLLM_TARGET_DEVICE and VLLM_CMAKE_ARGS for CPU build
+      run: |
+        echo "VLLM_TARGET_DEVICE=cpu" >> $GITHUB_ENV
+        # Crucial: Tell CMake to explicitly disable CUDA usage.
+        # This should override PyTorch/Caffe2's internal checks for CUDA libraries.
+        echo "VLLM_CMAKE_ARGS=-DUSE_CUDA=OFF" >> $GITHUB_ENV
     - name: Install PyTorch for CPU
       run: pip install torch==2.6.0 --index-url https://download.pytorch.org/whl/cpu
     - name: Install vLLM Build Dependencies (excluding torch and comments)
-      # This command filters out lines with 'torch==' AND lines starting with '#'
       run: pip install $(grep -v 'torch==' requirements/build.txt | grep -v '^#' | tr '\n' ' ')
     - name: Install vLLM Project and Dev Dependencies
       run: pip install -e ".[dev]"
-
-    - uses: pre-commit/action@v3.0.1
+    - uses: pre-commit/action@v3.0.1 # Keep this as v3.0.1
       with:
         extra_args: --all-files --hook-stage manual