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+# manage.py%0A%0Aimport os%0Afrom flask_script import Manager # class for handling a set of commands%0Afrom flask_migrate import Migrate, MigrateCommand%0Afrom app import db, create_app%0Afrom app import models%0A%0Aapp = create_app(config_name=os.getenv('APP_SETTINGS'))%0Amigrate = Migrate(app, db)%0Amanager = Manager(app)%0A%0Amanager.add_command('db', MigrateCommand)%0A%0Aif __name__ == '__main__':%0A    manager.run()%0A

Create manage.py