在Open edX上（github.com/edx/devstack）我在成功安装后运行了以下命令：
make dev.up
make lms-shell
make upgrade
我遇到了这条错误消息：
pip-compile --upgrade -o requirements/edx/base.txt requirements/edx/base.in
No handlers could be found for logger "pip.vcs.git"
感谢任何帮助或调试提示。感谢。