GitHub Actions doesn't currently support Python 3.6 or 3.12, at least on ubuntu-latest.

I can improve on this later.

Author: Preston-Landers

.github/workflows/clh_tests.yaml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
 
 
     steps: