tarsnapper depends on python-yaml but it is not a stated dependency

[witten]

$ tarsnapper
Traceback (most recent call last):
File "/usr/local/bin/tarsnapper", line 9, in
load_entry_point('tarsnapper==0.1', 'console_scripts', 'tarsnapper')()
File "/usr/lib/python2.6/dist-packages/pkg_resources.py", line 305, in load_entry_point
return get_distribution(dist).load_entry_point(group, name)
File "/usr/lib/python2.6/dist-packages/pkg_resources.py", line 2244, in load_entry_point
return ep.load()
File "/usr/lib/python2.6/dist-packages/pkg_resources.py", line 1954, in load
entry = import(self.module_name, globals(),globals(), ['name'])
File "/usr/local/lib/python2.6/dist-packages/tarsnapper/script.py", line 11, in
import expire, config
File "/usr/local/lib/python2.6/dist-packages/tarsnapper/config.py", line 23, in
import yaml
ImportError: No module named yaml
$ sudo aptitude install python-yaml
...

Setting up python-yaml (3.09-5) ...

$ tarsnapper
usage: tarsnapper [-h] [-q | -v] [-o name value] [--config CONFIG]
...

[witten]

Awesome thanks!