diff --git a/zfs_backup.py b/zfs_backup.py
index ac0dea1..ae85731 100755
--- a/zfs_backup.py
+++ b/zfs_backup.py
@@ -679,7 +679,7 @@ class ExternalPool(Pool):
             exit(EXIT_ERROR)
 
     def clean_old_snapshots(self) -> None:
-        return  # this  seems to be broken  TODO
+        # this  seems to be broken  TODO
         print("Cleaning old snapshots")
         for dataset in self.datasets:
             dataset.clean_old_snapshots()