fix ci

Signed-off-by: Xavier Dupre <xadupre@microsoft.com>

.github/workflows/ci.yml

@@ -88,12 +88,16 @@ jobs:
           python -c "from sklearn import __version__;print('sklearn', __version__)"
           python -c "from onnxruntime import __version__;print('onnxruntime', __version__)"
           python -c "from onnx import __version__;print('onnx', __version__)"
-          python -c "from lightgbm import __version__;print('lightgbm', __version__)"
           python -c "from xgboost import __version__;print('xgboost', __version__)"
           python -c "from catboost import __version__;print('catboost', __version__)"
-          python -c "from hummingbirdml import __version__;print('hummingbirdml', __version__)"
           python -c "import onnx.defs;print('onnx_opset_version', onnx.defs.onnx_opset_version())"
   
+      - name: versions lightgbm
+        if: matrix.os != 'macos-latest'
+        run: |
+          python -c "from lightgbm import __version__;print('lightgbm', __version__)"
+          python -c "from hummingbirdml import __version__;print('hummingbirdml', __version__)"
+  
       - name: Run tests baseline
         run: pytest --maxfail=10 --durations=10 tests/baseline
 
@@ -122,6 +126,7 @@ jobs:
         run: pytest --maxfail=10 --durations=10 tests/sparkml
 
       - name: Run tests hummingbirdml
+        if: matrix.os != 'macos-latest'
         run: |
           pip install torch --extra-index-url https://download.pytorch.org/whl/cpu
           pip install hummingbird-ml --no-deps