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Hi all,

I've installed a few extra modules and run make/make ptest. A few of the tests are failing (details at the end of the post):

sage -t --warn-long 28.0 src/sage/geometry/fan.py # 4 doctests failed sage -t --warn-long 28.0 src/sage/homology/examples.py # 2 doctests failed sage -t --warn-long 28.0 src/sage/homology/chain_complex.py # 2 doctests failed

What's the best way to go about fixing these problems/figuring out what's going wrong here? Is there a protocol beyond 'post the log and open a bug on the tracker'?

I'm compiling under 64-bit OSX 10.10, with current Xcode command line tools installed.

In Homology/Chain Complex:

**********************************************************************
File "src/sage/homology/chain_complex.py", line 1137, in sage.homology.chain_complex.ChainComplex_class.homology
Failed example:
D.homology()
Expected:
{0: 0, 1: 0, 4: 0, 5: 0}
Got:
{}
**********************************************************************
File "src/sage/homology/chain_complex.py", line 1403, in sage.homology.chain_complex.ChainComplex_class.torsion_list
Failed example:
C.torsion_list(5)
Expected:
[(2, [1]), (3, [3])]
Got:
[(2, []), (3, [])]
**********************************************************************

In SimplicalComplexExamples:

**********************************************************************
File "src/sage/homology/examples.py", line 1325, in sage.homology.examples.SimplicialComplexExamples.SumComplex
Failed example:
    S.homology(1)
Expected:
    C140183
Got:
    0
**********************************************************************
File "src/sage/homology/examples.py", line 1331, in sage.homology.examples.SimplicialComplexExamples.SumComplex
Failed example:
    S.homology(1)
Expected:
    C5670599
Got:
    0
**********************************************************************

In Geometry/Fan:

**********************************************************************
File "src/sage/geometry/fan.py", line 3282, in sage.geometry.fan.?.complex
Failed example:
    K_extended.homology()
Expected:
    {-1: 0, 0: 0, 1: 0, 2: 0, 3: 0}
Got:
    {}
**********************************************************************
File "src/sage/geometry/fan.py", line 3320, in sage.geometry.fan.?.complex
Failed example:
    fan.complex().homology()
Expected:
    {0: 0, 1: 0, 2: Z x Z, 3: 0}
Got:
    {2: Z x Z, 3: 0}
**********************************************************************
File "src/sage/geometry/fan.py", line 3324, in sage.geometry.fan.?.complex
Failed example:
    fan.complex().homology()
Expected:
    {0: 0, 1: 0, 2: Z, 3: 0}
Got:
    {2: Z, 3: 0}
**********************************************************************
File "src/sage/geometry/fan.py", line 3327, in sage.geometry.fan.?.complex
Failed example:
    fan.complex().homology()
Expected:
    {0: 0, 1: 0, 2: 0, 3: 0}
Got:
    {}
**********************************************************************