The 'pytz' distribution was not found and is required by Django解决办法

在创建第一个django项目时输入:

django-admin startproject HelloWorld

报错:
pkg_resources.DistributionNotFound: The ‘pytz’ distribution was not found and is required by Django

参考了网上很多方法都没有解决,最后解决办法是:
安装pytz模块(时区模块)
python -m pip install pytz