Fix run_tox.yml

Author: mkalioby

.github/workflows/run_tox.yml

@@ -17,7 +17,7 @@ jobs:
       - uses: actions/checkout@v6
       - uses: actions/setup-python@v5
         with:
-          python-version:
+          python-version: |
             3.7
             3.8
             3.9