python - pip安装flower模块的问题

Question

我用pip安装flower模块，为什么会自动帮我下载安装好多其他的模块，如下：

Successfully installed flower celery tornado babel pytz futures kombu billiard backports.ssl-match-hostname certifi anyjson amqp

Answer 1

It should be dependence

Answer 2

flower depends on these packages and must be downloaded first, otherwise it will not run.
Flower manages celery and provides web page visual management. If the related celery/kombu/amqp/tornado is not available locally, it will be downloaded.