Tests failing on the nightlies

Created by: anjos

This package is failing on all our Python 3.4 builds with the following error:

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ERROR: bob.bio.base.test.test_scripts.test_resources
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Traceback (most recent call last):
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages/nose/case.py", line 198, in runTest
    self.test(*self.arg)
  File "/Users/buildbot/work/gitlab-ci/work/gitlab-ci/f6f95b82/1/biometric/bob.nightlies/layers/2/bob.bio.base/bob/bio/base/test/test_scripts.py", line 373, in test_resources
    databases([])
  File "/Users/buildbot/work/gitlab-ci/work/gitlab-ci/f6f95b82/1/biometric/bob.nightlies/layers/2/bob.bio.base/bob/bio/base/script/resources.py", line 60, in databases
    databases = bob.bio.base.utils.resources.database_directories(replacements=args.database_directories_file)
  File "/Users/buildbot/work/gitlab-ci/work/gitlab-ci/f6f95b82/1/biometric/bob.nightlies/layers/2/bob.bio.base/bob/bio/base/utils/resources.py", line 227, in database_directories
    for entry_point in sorted(entry_points):
nose.proxy.TypeError: unorderable types: EntryPoint() < EntryPoint()
-------------------- >> begin captured logging << --------------------

Ref: https://gitlab.idiap.ch/biometric/bob.nightlies/builds/3106

Not sure how to change this one. Could you please check?