i cant nstall trimage

[G33kNoob]

sudo apt-get install trimage

Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package trimage

[G33kNoob]

trying instal with github step get error like this when i run trimage

File "/usr/local/bin/trimage", line 3
SyntaxError: Non-ASCII character '\xc3' in file /usr/local/bin/trimage on line 3, but no encoding declared; see http://python.org/dev/peps/pep-0263/ for details