Merge branch 'main' into s-cate

Author: PhilippBach

.github/workflows/pytest.yml

@@ -22,7 +22,6 @@ jobs:
     strategy:
       matrix:
         config:
-          - {os: 'ubuntu-latest', python-version: '3.6'}
           - {os: 'ubuntu-latest', python-version: '3.7'}
           - {os: 'ubuntu-latest', python-version: '3.8'}
           - {os: 'windows-latest', python-version: '3.8'}