add os revision. maybe this will fix it?

Author: rouilj

.github/workflows/ci-test.yml

@@ -57,11 +57,12 @@ jobs:
         include:
             # example: if 3.12 fails the jobs still succeeds
             - python-version: 3.12
+              os: ubuntu-22.04
               experimental: [true]
             # version 2.7 not available on unbuntu-22.04 github
-            #    - python-version: 2.7
-            #      os: ubuntu-22.04
-            #      experimental: true
+            #- python-version: 2.7
+            #  os: ubuntu-22.04
+            #  experimental: true
             - python-version: 3.11-dev
               os: ubuntu-22.04
               experimental: [true]