Code review comment for lp:~jml/pkgme/module-to-use

The attempt to merge lp:~jml/pkgme/module-to-use into lp:pkgme failed. Below is the output from the failed tests.

./bin/py -m testtools.run pkgme.tests.test_suite
Tests running...
======================================================================
ERROR: pkgme.tests.test_python_backend.PythonBackendTests.test_all_info
----------------------------------------------------------------------
Traceback (most recent call last):
  File "pkgme/tests/test_python_backend.py", line 33, in test_all_info
    info = info.get_all(['package_name'])
  File "pkgme/project_info.py", line 64, in get_all
    to_write=json.dumps(keys))
  File "pkgme/run_script.py", line 118, in run_script
    output = run_subprocess([script_path], cwd=cwd, env=env, to_write=to_write)
  File "pkgme/run_script.py", line 103, in run_subprocess
    raise ScriptFailed(cmd, retcode, output)
ScriptFailed: /tmp/tmp33_z6d/pkgme/backends/python/all_info failed with returncode 1. Output:
 | Traceback (most recent call last):
 | File "<string>", line 1, in <module>
 | File "/tmp/tmp33_z6d/pkgme/__init__.py", line 29, in <module>
 | from .api import write_packaging
 | File "/tmp/tmp33_z6d/pkgme/api.py", line 27, in <module>
 | from pkgme import trace
 | File "/tmp/tmp33_z6d/pkgme/trace.py", line 4, in <module>
 | from fixtures import Fixture
 | ImportError: No module named fixtures
 |

Ran 247 tests in 9.086s
FAILED (failures=1)

Tree is up to date at revision 13 of branch bzr+ssh://bazaar.launchpad.net/+branch/ca-download-cache
no previously-included directories found matching '_build'
make: *** [test] Error 1