add is_valid logic to base model#173
Open
mojtabaakbari221b wants to merge 2 commits intojazzband:masterfrom
Open
add is_valid logic to base model#173mojtabaakbari221b wants to merge 2 commits intojazzband:masterfrom
mojtabaakbari221b wants to merge 2 commits intojazzband:masterfrom
![pre-commit-ci[bot]](https://avatars.githubusercontent.com/in/68672?v=4&size=32){kind=avatar}