diff --git a/swh/vault/interface.py b/swh/vault/interface.py
index 68fabb8ca7e01112ce451ec85a756c6b18ae6146..cc8162ce493f98178aa72309dbf0c395c1b07717 100644
--- a/swh/vault/interface.py
+++ b/swh/vault/interface.py
@@ -43,8 +43,7 @@ class VaultInterface(Protocol):
         ...
 
     @remote_api_endpoint("progress")
-    def progress(self, bundle_type: str, swhid: CoreSWHID):
-        ...
+    def progress(self, bundle_type: str, swhid: CoreSWHID): ...
 
     # Cookers endpoints
 
diff --git a/swh/vault/tests/test_cookers.py b/swh/vault/tests/test_cookers.py
index 42662624615efb544e4a255306f3ce289f192acf..2d5a4585e634a7c78c4eeb1030c54d56894ce71a 100644
--- a/swh/vault/tests/test_cookers.py
+++ b/swh/vault/tests/test_cookers.py
@@ -224,9 +224,10 @@ def cook_extract_directory_gitfast(storage, swhid, fsck=True, direct_objstorage=
         )
         storage.revision_add([revision])
 
-    with cook_stream_revision_gitfast(
-        storage, revision.swhid()
-    ) as stream, test_repo as p:
+    with (
+        cook_stream_revision_gitfast(storage, revision.swhid()) as stream,
+        test_repo as p,
+    ):
         processor = dulwich.fastexport.GitImportProcessor(test_repo.repo)
         processor.import_stream(stream)
         test_repo.checkout(b"HEAD")