housekeeping: pin ubuntu to 20.04 for python 3.6

Ubuntu:latest doesn't include py36 anymore. Keep this until we add 3.11 and drop 3.6. See: actions/setup-python#544 rwth-i6/returnn#1226
graphql-python · Nov 21, 2022 · f09b2e5 · f09b2e5
1 parent 7f6fa16
commit f09b2e5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
@@ -30,7 +30,7 @@ jobs:
           - {name: '3.9', python: '3.9', os: ubuntu-latest, tox: py39}
           - {name: '3.8', python: '3.8', os: ubuntu-latest, tox: py38}
           - {name: '3.7', python: '3.7', os: ubuntu-latest, tox: py37}
-          - {name: '3.6', python: '3.6', os: ubuntu-latest, tox: py36}
+          - {name: '3.6', python: '3.6', os: ubuntu-20.04, tox: py36}
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v4