app.config['SECRET_KEY'] = '123'
 app.config['SQLALCHEMY_DATABASE_URI'] = 'mysql+pymysql://flask:@flasktest.cuncoak8uz9k.eu-central-1.rds.amazonaws.com/flasktestdb'
 app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False

class User(db.Model):
     id = db.Column(db.Integer, primary_key = True)
     name = db.Column(db.String(120), unique = True)


     new = User(name = 'Дмитрий') # name written in Russian language
     {{new.name}} # i receive ??????? instead of a Дмитрий