Fix another Windows test on 3.8

.github/workflows/ci.yml

@@ -7,8 +7,8 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-20.04, windows-2019]
-        environment: ['3.8', '3.9', '3.7', '3.6', 'interpreter']
         python-version: [3.6, 3.7, 3.8, 3.9]
+        environment: ['3.8', '3.9', '3.7', '3.6', 'interpreter']
     steps:
       - name: Checkout code
         uses: actions/checkout@v2