Fails only on i686: ``` python ====================================================================== FAIL: Calling TimeArray.min() .max(), mean() should return TimeArrays ---------------------------------------------------------------------- Traceback (most recent call last): File "/usr/lib/python3.4/site-packages/nose/case.py", line 198, in runTest self.test(*self.arg) File "/builddir/build/BUILD/nitime-rel-0.5/nitime/tests/test_timeseries.py", line 900, in test_timearray_math_functions assert getattr(b, f)().__class__ == ts.TimeArray AssertionError ```