Adists: Fix update.

src/Model/Tools/PamhyrDB.py

@@ -303,6 +303,9 @@ class SQLSubModel(PamhyrID):
             f"SELECT pamhyr_id, reach FROM {table}"
         )
 
+        if els is None:
+            return True
+
         for row in els:
             it = iter(row)
             pid = next(it)
@@ -317,6 +320,8 @@ class SQLSubModel(PamhyrID):
                 f"WHERE pamhyr_id = {pid}"
             )
 
+        return True
+
     @classmethod
     def _db_update_to_0_1_1_assoc_section_from_rk(
             cls, execute, table,