sudo rm -rf /var/cache/apt/archives/python-catkin-pkg-modules_0.4.12-1_all.deb
sudo rm -rf /var/cache/apt/archives/python-catkin-pkg_0.4.12-100_all.deb
sudo rm -rf /var/cache/apt/archives/python-rospkg-modules_1.1.9-1_all.deb
sudo rm -rf /var/cache/apt/archives/python-rospkg_1.1.9-100_all.deb
sudo rm -rf /var/cache/apt/archives/python-rosdistro-modules_0.7.4-1_all.deb