@app.route('/add')
def add_start():
    x = request.args.get('x', 2, type=int)
    y = request.args.get('y', 3, type=int)
    task = add.delay(x, y)
    return redirect('/progress?tid=' + task.id)
Grabs the args from the URL, starts the task, then redirects to show progress.
dataset/ETHPy150Open joeyespo/hello-redis-tasks/hello_redis_tasks.py/add_start