diff --git a/.github/workflows/pr_workflow.yml b/.github/workflows/pr_workflow.yml
index 7ec13227..49f6af0b 100644
--- a/.github/workflows/pr_workflow.yml
+++ b/.github/workflows/pr_workflow.yml
@@ -28,6 +28,9 @@ jobs:
       - name: debug pwd
         run: pwd
 
+      - name: debug ls
+        run: ls -l
+
       - name: Flake8
         run: python -m flake8 --config=config.flake8