diff --git a/.github/workflows/test-e2e-component-library-vizro-core.yml b/.github/workflows/test-e2e-component-library-vizro-core.yml
index d887a3451..37e3ce968 100644
--- a/.github/workflows/test-e2e-component-library-vizro-core.yml
+++ b/.github/workflows/test-e2e-component-library-vizro-core.yml
@@ -18,7 +18,6 @@ env:
 
 jobs:
   test-e2e-component-library-vizro-core:
-
     runs-on: ubuntu-latest
 
     steps:
diff --git a/vizro-core/tests/e2e/test_component_library.py b/vizro-core/tests/e2e/test_component_library.py
index f019aee40..1688a5de2 100644
--- a/vizro-core/tests/e2e/test_component_library.py
+++ b/vizro-core/tests/e2e/test_component_library.py
@@ -68,7 +68,6 @@
 
 
 def test_kpi_card_component_library(dash_duo, request):
-
     app = Dash(__name__, external_stylesheets=[dbc.themes.BOOTSTRAP])
     app.layout = dbc.Container(
         [
diff --git a/vizro-core/tests/tests_utils/e2e_asserts.py b/vizro-core/tests/tests_utils/e2e_asserts.py
index 5d0f1cf93..4d1a80f37 100644
--- a/vizro-core/tests/tests_utils/e2e_asserts.py
+++ b/vizro-core/tests/tests_utils/e2e_asserts.py
@@ -47,7 +47,7 @@ def assert_image_equal(result_image_path, expected_image_path, expected_image_na
         _compare_images(expected_image, result_image)
         Path(result_image_path).unlink()
     except AssertionError as exc:
-        shutil.copy(result_image_path,  expected_image_name)
+        shutil.copy(result_image_path, expected_image_name)
         diff = _create_image_difference(expected_image=expected_image, result_image=result_image)
         cv2.imwrite(f"{result_image_path}_difference_from_main.png", diff)
         raise AssertionError("pictures are not the same") from exc