diff --git a/src/auto_archiver/modules/timestamping_enricher/timestamping_enricher.py b/src/auto_archiver/modules/timestamping_enricher/timestamping_enricher.py
index 680538b..412afa3 100644
--- a/src/auto_archiver/modules/timestamping_enricher/timestamping_enricher.py
+++ b/src/auto_archiver/modules/timestamping_enricher/timestamping_enricher.py
@@ -14,6 +14,7 @@ from rfc3161_client.tsp import SignedData
 from cryptography import x509
 from cryptography.hazmat.primitives import serialization
 import certifi
+
 from auto_archiver.core import Enricher
 from auto_archiver.core import Metadata, Media
 from auto_archiver.version import __version__