Model, geometry: Monir change.

src/Model/Stricklers/Stricklers.py

@@ -49,6 +49,9 @@ class Stricklers(SQLSubModel):
             "FROM stricklers"
         )
 
+        if table is None:
+            return None
+
         for row in table:
             name = row[0]
             comment = row[1]

src/Model/Stricklers/StricklersList.py

@@ -38,8 +38,7 @@ class StricklersList(SQLSubModel):
         return new
 
     def _sql_save(self, execute, data = None):
-        if len(self._stricks) != 0:
-            execute("DELETE FROM stricklers")
+        execute("DELETE FROM stricklers")
 
         objs = self._stricks
         return self._save_submodel(execute, objs, data)