diff --git a/src/pubtools/_pulp/tasks/copy_repo.py b/src/pubtools/_pulp/tasks/copy_repo.py
index 4e006d55..420c61c8 100644
--- a/src/pubtools/_pulp/tasks/copy_repo.py
+++ b/src/pubtools/_pulp/tasks/copy_repo.py
@@ -116,6 +116,7 @@ class CopyRepo(CollectorService, PulpClientService, PulpRepositoryOperation):
 
     This command copies RPM and SRPM content from repository repo-A to repo-B. If the user provides a non existing repo, the command fails.
     """
+
     @property
     def content_type_criteria(self):
         # Only return non-None if there were really any types given.