I know. it passes on my mac.

```
$ nosetests
/Library/Frameworks/EPD64.framework/Versions/7.3/lib/python2.7/site-packages/msmbuilder-2.6.dev-py2.7-macosx-10.5-x86_64.egg/msmbuilder/geometry/angle.py:68: RuntimeWarning: xyzlist is not float32: copying
  warnings.warn("xyzlist is not float32: copying", RuntimeWarning)
/Library/Frameworks/EPD64.framework/Versions/7.3/lib/python2.7/site-packages/msmbuilder-2.6.dev-py2.7-macosx-10.5-x86_64.egg/msmbuilder/geometry/angle.py:71: RuntimeWarning: angle_indpyices is not int32: copying
  warnings.warn("angle_indpyices is not int32: copying", RuntimeWarning)
......................S.......S........SSS...........S.......................S...............................................
----------------------------------------------------------------------
Ran 125 tests in 43.418s

OK (SKIP=7)
```