$ sudo dpkg -i python-libavg_1.5.4-0ubuntu2_i386.deb 
Selecting previously deselected package python-libavg.
(Reading database ... 160217 files and directories currently installed.)
Unpacking python-libavg (from python-libavg_1.5.4-0ubuntu2_i386.deb) ...
Setting up python-libavg (1.5.4-0ubuntu2) ...
Processing triggers for man-db ...