diff --git a/lizmap_server/core.py b/lizmap_server/core.py
index 22135838..f189e812 100755
--- a/lizmap_server/core.py
+++ b/lizmap_server/core.py
@@ -82,7 +82,7 @@ def find_vector_layer(layer_name: str, project: QgsProject) -> Optional[QgsVecto
     if not found.isValid():
         Logger.warning(
             f"The vector layer '{layer_name}' has been found but it is not valid in the project "
-            f"'{project.fileName()}'"
+            f"'{project.fileName()}'",
         )
     return found
 
diff --git a/lizmap_server/get_legend_graphic.py b/lizmap_server/get_legend_graphic.py
index 117227e6..7d61bf01 100644
--- a/lizmap_server/get_legend_graphic.py
+++ b/lizmap_server/get_legend_graphic.py
@@ -94,7 +94,7 @@ def responseComplete(self):
         if not layer.isValid():
             logger.warning(
                 f"Layer '{layer_name}' is not valid, returning a warning icon in the legend for project "
-                f"'{project.homePath()}'"
+                f"'{project.homePath()}'",
             )
             json_data = {
                 'title': '',
diff --git a/test/test_filter_by_polygon.py b/test/test_filter_by_polygon.py
index 78cdc91b..e9c11183 100644
--- a/test/test_filter_by_polygon.py
+++ b/test/test_filter_by_polygon.py
@@ -17,6 +17,7 @@
 __license__ = 'GPL version 3'
 __email__ = 'info@3liz.org'
 
+
 class TestFilterByPolygon(unittest.TestCase):
 
     def test_not_filtered_layer(self):