removed secrets from the code (reom from chatgpt)

lists.py

@@ -37,12 +37,7 @@ def edit():
                 abort(403)
 
             newname = request.form["name"].strip()
-            double = False
-            for d in ListOfItems.query.filter_by(owner_user_id=current_user.id, name=newname).all():
-                if not d.id == ilist_id:
-                    # there is a duplicate name
-                    double = True
-            if double:
+            if not newname or ListOfItems.name_exists_for_owner(current_user.id, newname, exclude_id=ilist_id):
                 return render_template("lists_edit.html", user=current_user,
                                        ilists=current_user.my_owned_lists(with_inactive=True),
                                        users=not_current_user(current_user.id),
@@ -76,8 +71,7 @@ def edit():
             # must be a new list
             newlist = ListOfItems(name=request.form["name"].strip(), owner_user_id=current_user.id)
             # check if name exists
-            duplicate = ListOfItems.query.filter_by(owner_user_id=current_user.id, name=newlist.name).first()
-            if duplicate:
+            if not newlist.name or ListOfItems.name_exists_for_owner(current_user.id, newlist.name):
                 # there is a duplicate name
                 return render_template("lists_edit.html", user=current_user,
                                        ilists=current_user.my_owned_lists(with_inactive=True),