ci: use strings for python versions on ga
@@ -27,7 +27,7 @@ jobs:
fail-fast: false
matrix:
os: [ "ubuntu-latest", "windows-latest", "macos-latest" ]
- python: [2.7, 3.6, 3.7, 3.8, 3.9, 3.10]
+ python: ['2.7', '3.6', '3.7', '3.8', '3.9', '3.10']
runs-on: "${{ matrix.os }}"
