get CI passing again

alex · web-flow · commit fed404885846 · 2022-12-07T15:16:10.000-05:00
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ on:
 
 jobs:
   mypy:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
       - uses: actions/checkout@v3
