Fix CI #7

Author: ubmarco

.github/workflows/tox.yml

@@ -14,7 +14,7 @@ jobs:
         python-version: [[3, 8]]
         # python-version: [[3,6], [3,7], [3,8], [3,9]]
         # os: [ubuntu-latest, macos-latest, windows-latest]
-        os: [ubuntu-latest, windows-latest]
+        os: [windows-latest]
 
     steps:
       - uses: actions/checkout@v2
@@ -24,13 +24,13 @@ jobs:
         with:
           python-version: ${{ join(matrix.python-version, '.') }}
 
-      - name: Run shell command
-        run: |
-          echo %PATH%
-          set
-          git help
-        shell: cmd
-        if: runner.os == 'Windows'
+      # - name: Run shell command
+      #   run: |
+      #     echo %PATH%
+      #     set
+      #     git help
+      #   shell: cmd
+      #   if: runner.os == 'Windows'
 
       # - name: Copy policy file for ubuntu-latest (needed to use ImageMagic in visual debugging tox tests)
       #   run: |