build system fixes

Author: penguinolog

.github/workflows/pythonpackage.yml

@@ -228,14 +228,14 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: Build Python manylinux2014-x86_64 wheels
-        uses: penguinolog/python-wheels-manylinux-build@19.10.2021-manylinux2014_x86_64
+        uses: penguinolog/python-wheels-manylinux-build@08.06.2022-manylinux2014_x86_64
         with:
           python-versions: 'cp38-cp38 cp39-cp39 cp310-cp310'
           build-requirements: 'cython'
           build-executable: 'python'
           build-command: 'setup.py bdist_wheel clean'
       - name: Build Python manylinux2014-x86_64 wheels
-        uses: penguinolog/python-wheels-manylinux-build@19.10.2021-manylinux2014_i686
+        uses: penguinolog/python-wheels-manylinux-build@08.06.2022-manylinux2014_i686
         with:
           python-versions: 'cp38-cp38 cp39-cp39 cp310-cp310'
           build-requirements: 'cython'

tools/build-wheels.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 set -e -o pipefail
-PYTHON_VERSIONS="cp37-cp37m cp38-cp38 cp39-cp39 cp310-cp310"
+PYTHON_VERSIONS="cp38-cp38 cp39-cp39 cp310-cp310"
 
 # Avoid creation of __pycache__/*.py[c|o]
 export PYTHONDONTWRITEBYTECODE=1