For the sample Ubuntu template to work properly, you must add the libpython XML package.

1

Download the python package from the Ubuntu mirror site.

wget http://UbuntuMirrorSite/libpython2.7_2.7.3-0ubuntu3.4_amd64.deb
2

Install the python package to the Ubuntu template.

dpkg -i libpython2.7_2.7.3-0ubuntu3.4_amd64.deb