make Windows stay on 3.7, use mac for testing 3.6
@@ -91,9 +91,9 @@ jobs:
- os: 'ubuntu'
python-version: 3.9
- os: 'windows'
- python-version: 3.6
+ python-version: 3.7
- os: 'macos'
- python-version: 3.8
+ python-version: 3.6
runs-on: ${{ matrix.os }}-latest
