diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5b0cba03..f38dc395 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -71,8 +71,13 @@ jobs:
           run: |
             docker run --rm -i \
               ${{ vars.DOCKERHUB_ORGANIZATION }}/hope-support-images:deduplication-engine-${{ github.sha }}-dev \
-              flake8 .
-
+              flake8 \
+              --max-complexity 12 \
+              --max-line-length 120 \
+              --exclude=.*/,__pycache__,docs,~build,dist,*.md \
+              --per-file-ignores='src/**/migrations/*.py:E501' \
+              .
+              
     unit_tests:
       runs-on: ubuntu-latest
       needs: [build_and_push_dev]
diff --git a/tests/test_storage.py b/tests/test_storage.py
index 57fbd195..23cf8373 100644
--- a/tests/test_storage.py
+++ b/tests/test_storage.py
@@ -9,7 +9,7 @@ def test_fs(tmp_path):
     s = CV2DNNStorage(tmp_path)
     s.save("test", ContentFile("aa", "test.txt"))
     s.save("test", ContentFile("bb", "test.txt"))
-    # assert s.listdir(".") == ([], ["test"])
+    assert s.listdir(".") == ([], ["test"])
     with s.open("test") as fd:
         assert fd.read() == b"bb"
     s.delete("test")