解决Pycharm报错 cannot find reference ‘***‘ in ‘

解决Pycharm报错 cannot find reference ‘***‘ in ‘

问题1：cannot find reference ‘textfield‘ in ‘__init__.py‘ 

解决方法： File -> Settings -> Python Interpreter 安装或更新 Opencv-Contrib-Python

问题2：cannot find reference 'migratecommand' in '__init__.py'

解决方法：降低flask_migrate版本，cmd输入以下命令