diff --git a/connaisseur/validators/notaryv1/notaryv1_validator.py b/connaisseur/validators/notaryv1/notaryv1_validator.py
index ab6c4b941..a28df2bec 100644
--- a/connaisseur/validators/notaryv1/notaryv1_validator.py
+++ b/connaisseur/validators/notaryv1/notaryv1_validator.py
@@ -50,7 +50,10 @@ async def validate(
 
         # search for digests in given targets
         digests = list(
-            map(lambda x: NotaryV1Validator.__search_image_targets(x, image), signed_image_targets)
+            map(
+                lambda x: NotaryV1Validator.__search_image_targets(x, image),
+                signed_image_targets,
+            )
         )
 
         # in case certain delegations are needed, `signed_image_targets` should only
diff --git a/tests/validators/notaryv1/test_notaryv1_validator.py b/tests/validators/notaryv1/test_notaryv1_validator.py
index e469b8a3a..dc95cad32 100644
--- a/tests/validators/notaryv1/test_notaryv1_validator.py
+++ b/tests/validators/notaryv1/test_notaryv1_validator.py
@@ -388,9 +388,7 @@ async def test_process_chain_of_trust(
 def test_search_image_targets_for_digest(sample_nv1, image: str, digest: str):
     data = fix.get_td("sample_releases")["signed"]["targets"]
     assert (
-        sample_nv1._NotaryV1Validator__search_image_targets(
-            data, Image(image)
-        )
+        sample_nv1._NotaryV1Validator__search_image_targets(data, Image(image))
         == digest
     )