use numpy 1.* for the runner

.github/workflows/python-package.yml

@@ -29,8 +29,8 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         python -m pip install flake8 pytest
+        pip install "numpy<2.0" numba
         pip install torch --index-url https://download.pytorch.org/whl/cpu
-        pip install numpy numba
     - name: Lint with flake8
       run: |
         # stop the build if there are Python syntax errors or undefined names