* Python for the filters
* 'testtools' (On Debian and Ubuntu systems the 'python-testtools' package,
the testtools package on pypi, or https://launchpad.net/testtools) for
- the extended test API which permits attachments. Version 0.9.11 or newer is
+ the extended test API which permits attachments. Version 0.9.30 or newer is
required. Of particular note, http://testtools.python-hosting.com/ is not
the testtools you want.
* A C compiler for the C bindings