pants is broken

[tw-mbp13-jsmith aurora (master)]$ ./pants ./src/test/python/apache/aurora/admin:all
Build operating on targets: OrderedSet([PythonTestSuite(src/test/python/apache/aurora/admin/BUILD:all)])
Failed to run test!
Traceback (most recent call last):
  File "/Users/jsmith/.pex/install/twitter.pants-0.0.23-py2-none-any.whl.acd44f4c0cf3576608ff18b2adafeff6f0b8f65f/twitter.pants-0.0.23-py2-none-any.whl/twitter/pants/python/test_builder.py", line 204, in _run_python_test
    builder = chroot.dump()
  File "/Users/jsmith/.pex/install/twitter.pants-0.0.23-py2-none-any.whl.acd44f4c0cf3576608ff18b2adafeff6f0b8f65f/twitter.pants-0.0.23-py2-none-any.whl/twitter/pants/python/python_chroot.py", line 201, in dump
    platforms=platforms)
  File "/Users/jsmith/.pex/install/twitter.pants-0.0.23-py2-none-any.whl.acd44f4c0cf3576608ff18b2adafeff6f0b8f65f/twitter.pants-0.0.23-py2-none-any.whl/twitter/pants/python/resolver.py", line 109, in resolve_multi
    platform=platform)
  File "/Users/jsmith/.pex/install/twitter.common.python-0.5.6-py2-none-any.whl.966710ef4887d077b27ee1d9cc3725372604d0ef/twitter.common.python-0.5.6-py2-none-any.whl/twitter/common/python/resolver.py", line 98, in resolve
    raise Unsatisfiable('Cannot satisfy requirements: %s' % requirement_set[requirement.key])
Unsatisfiable: Cannot satisfy requirements: [PythonRequirement(coverage==3.6b1), Requirement.parse('coverage>=3.6')]
src.test.python.apache.aurora.admin.host_maintenance                            ..... EXCEPTION