ubuntu 系统升级 终端启动报错

问题遇到的现象和发生背景

ubuntu升级到最新版本以后打开终端就出现这个问题
搜索了很久也没有解决
求解啊!

问题相关代码，请勿粘贴截图

Command '' not found, but can be installed with:
sudo apt install mailutils-mh  # version 1:3.14-1, or
sudo apt install mmh           # version 0.4-4
sudo apt install nmh           # version 1.7.1-11
sudo apt install termtris      # version 1.3-1ubuntu1
virtualenvwrapper.sh: There was a problem running the initialization hooks.

If Python could not import the module virtualenvwrapper.hook_loader,
check that virtualenvwrapper has been installed for
VIRTUALENVWRAPPER_PYTHON= and that PATH is
set properly.
yah@envy13:~$