问题：
Processing ./torch-0.2.0.post3-cp27-cp27mu-manylinux1_x86_64.whl
Requirement already satisfied: numpy in /usr/lib/python2.7/dist-packages (from torch==0.2.0.post3) (1.11.0)
Requirement already satisfied: pyyaml in /usr/lib/python2.7/dist-packages (from torch==0.2.0.post3) (3.11)
imdbpy 5.0 requires FormEncode, which is not installed.
imdbpy 5.0 requires SQLAlchemy, which is not installed.
imdbpy 5.0 requires sqlalchemy-migrate, which is not installed.
imdbpy 5.0 requires SQLObject, which is not installed.
Installing collected packages: torch
Could not install packages due to an EnvironmentError: [Errno 13] Permission denied: '/usr/local/lib/python2.7/dist-packages/torch-0.2.0.post3.dist-info'
Consider using the `--user` option or check the permissions.
解决：
pip install --user 安装包