diff --git a/src/nomad_polymerization_reactions/apps/polymerization_reaction_app.py b/src/nomad_polymerization_reactions/apps/polymerization_reaction_app.py
index 60bdaef..025ff4a 100644
--- a/src/nomad_polymerization_reactions/apps/polymerization_reaction_app.py
+++ b/src/nomad_polymerization_reactions/apps/polymerization_reaction_app.py
@@ -213,5 +213,5 @@
 #     scale: linear
 #     showinput: true
 #     type: terms
-# """
+# """  # noqa: E501
 )
diff --git a/tests/apps/test_app.py b/tests/apps/test_app.py
index 4966794..48c6a0f 100644
--- a/tests/apps/test_app.py
+++ b/tests/apps/test_app.py
@@ -1,5 +1,5 @@
 def test_importing_app():
     # this will raise an exception if pydantic model validation fails for th app
-    from nomad_polymerization_reactions.apps import polymerization_reaction_app
-
-    assert polymerization_reaction_app.app.label == 'Polymerization Reaction'
+    from nomad_polymerization_reactions.apps.polymerization_reaction_app import (
+        polymerization_reaction_app,
+    )