only build on release

Author: michelp

.github/workflows/wheels.yml

@@ -30,11 +30,6 @@ jobs:
         with:
           path: ./wheelhouse/*.whl
 
-  upload_pypi:
-    needs: [build_wheels]
-    runs-on: ubuntu-latest
-    if: github.event_name == 'release' && github.event.action == 'published'
-    steps:
       - uses: actions/download-artifact@v2
         with:
           name: artifact