会返回 File "/usr/lib/python3/dist-packages/virtualenv.py"
原因是本地python 多个版本,
dpkg -l|grep virtualenv
python-virtualenv 15.0.1+ds-3ubuntu1 all Python virtual environment creator
python3-virtualenv 15.0.1+ds-3ubuntu1 all Python virtual environment creator
virtualenv 15.0.1+ds-3ubuntu1 all Python virtual environment creator
先删除所有 virtualenv
apt-get purge python-virtualenv python3-virtualenv virtualenv
然后重新安装
pip install virtualenv