Connecting to google cloud SQL Error using Flask-SQLAlchemy

Solution

app.config['SQLALCHEMY_DATABASE_URI'] = db

uri = sqlalchemy.engine.url.URL(
    drivername=driver_name,
    username=db_user,
    password=db_password,
    database=db_name, 
    query=query_string)
app.config['SQLALCHEMY_DATABASE_URI'] = uri.render_as_string(hide_password=false)