flask_script
在使用第三方包flask_script时，报一下错误
ModuleNotFoundError: No module named 'flask._compat'
问题时flask版本于flask-script版本不兼容，需将flask-script或flask降级
Downgrading to flask-script==2.0.5 worked for me, even while using Flask==2.2.3.
pip install flask-script==2.0.5