If you are using Ubuntu, there are some tasks you must do before installing the Veracode API authentication CLI.
If you are using Ubuntu, you may have a system-installed version of pip on your machine, which may not work properly. Veracode recommends that you uninstall the system-installed pip and install the most recent official version of pip, using:
sudo apt-get remove python-pip
sudo easy_install pip
sudo apt-get purge httpie