diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 85bb7c1e77..7c0253b88a 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -10,7 +10,7 @@ jobs:
   main-test-suite:
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.11"]
     runs-on: ubuntu-20.04
     timeout-minutes: 60
 
diff --git a/parsl/executors/workqueue/executor.py b/parsl/executors/workqueue/executor.py
index d65388e7cb..135c0891be 100644
--- a/parsl/executors/workqueue/executor.py
+++ b/parsl/executors/workqueue/executor.py
@@ -595,6 +595,7 @@ def _serialize_function(self, fn_path, parsl_fn, parsl_fn_args, parsl_fn_kwargs,
                                                              super_span=span)}
 
         event("WQEX_SUBMIT_SERIALIZE_OPEN", span)
+        # fn_path shouldn't exist, because this is meant to be a clean directory...
         with open(fn_path, "wb") as f_out:
             event("WQEX_SUBMIT_SERIALIZE_PICKLEDUMP", span)
             pickle.dump(function_info, f_out)