装虚拟空间的时候有些不同 $ virtualenv

juilacocodeMacBook-Air:todoList juilacoco$ sudo pip install virtualenv

The directory '/Users/juilacoco/Library/Caches/pip/http' or its parent directory is not owned by the current user and the cache has been disabled. Please check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.

The directory '/Users/juilacoco/Library/Caches/pip' or its parent directory is not owned by the current user and caching wheels has been disabled. check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.

Collecting virtualenv

Downloading virtualenv-15.1.0-py2.py3-none-any.whl (1.8MB)

100% |████████████████████████████████| 1.8MB 369kB/s

Installing collected packages: virtualenv

Successfully installed virtualenv-15.1.0

juilacocodeMacBook-Air:todoList juilacoco$