selftest fails on minimum api in meta tests

$ bzr selftest bisect
------------
Traceback (most recent call last):
  File "/usr/lib/python2.6/dist-packages/testtools/runtest.py", line 128, in _run_user
    return fn(*args)
  File "/usr/lib/python2.6/dist-packages/testtools/testcase.py", line 368, in _run_test_method
    testMethod()
  File "/home/gustaf/.bazaar/plugins/bisect/tests.py", line 123, in testBzrVersioning
    assert bisect.bzr_minimum_api >= bzrlib.api_minimum_version
AssertionError
------------

This fix makes the selftest work (Ubuntu Lucid)

-->
=== modified file 'meta.py'
--- meta.py 2009-04-02 15:11:50 +0000
+++ meta.py 2010-10-15 21:07:02 +0000
@@ -23,6 +23,6 @@
 if version_info[3] != 'final':
     __version__ = "%s%s%d" % (__version__, version_info[3], version_info[4])

-bzr_minimum_api = (1, 13, 0)
+bzr_minimum_api = (2, 1, 0)

 bzr_commands = [ 'bisect' ]
-->

bzr selftest: /usr/bin/bzr
   /usr/lib/python2.6/dist-packages/bzrlib
   bzr-2.1.1 python-2.6.5 Linux-2.6.32-24-generic-x86_64-with-Ubuntu-10.04-lucid

----------------------------------------------------------------------
Ran 54 tests in 7.535s

OK

Reading:
  http://doc.bazaar.canonical.com/developers/api-versioning.html
I'm not sure this is the right way to fix it. Maybe the version checking should be updated also/instead.