【Downgrading to flask-script==2.0.5 worked for me, even while using Flask==2.0.2.】将flask-script降到2.0.5版本
第1步：pip uninstall flask-script
第2步：pip install flask-script==2.0.5 作者：LogByMax https://www.bilibili.com/read/cv15919272?from=search&spm_id_from=333.337.0.0 出处：bilibili
