update persistence setter

Signed-off-by: Ayush Kamat <[email protected]>

Author: ayushkamat

latch_cli/snakemake/serialize.py

@@ -124,7 +124,10 @@ def extract_dag(self):
             priorityfiles=set(),
         )
 
-        self._persistence = Persistence(dag=dag)
+        try:
+            self.persistence = Persistence(dag=dag)
+        except AttributeError:
+            self._persistence = Persistence(dag=dag)
 
         dag.init()
         dag.update_checkpoint_dependencies()