bug#22738: Build failure in vigra

[Leo Famulari]

On Fri, Feb 19, 2016 at 02:02:32AM +0100, Danny Milosavljevic wrote:
> /tmp/guix-build-vigra-1.10.0.drv-0/build
> ...
> ======================================================================
> ERROR: test_arraytypes.testMethods
> ----------------------------------------------------------------------
> Traceback (most recent call last):
>   File 
> "/gnu/store/m71dy36xl5jcp1qgw9dkyab3yv9gpibx-python2-nose-1.3.7/lib/python2.7/site-packages/nose-1.3.7-py2.7.egg/nose/case.py",
>  line 197, in runTest
>     self.test(*self.arg)
>   File 
> "/tmp/guix-build-vigra-1.10.0.drv-0/build/vigranumpy/test/test_arraytypes.py",
>  line 1331, in testMethods
>     nz = n.nonzero()
>   File 
> "/tmp/guix-build-vigra-1.10.0.drv-0/build/vigranumpy/vigra/arraytypes.py", 
> line 1285, in nonzero
>     res[k].axistags = AxisTags(AxisInfo(self.axistags[k]))
> AttributeError: 'numpy.ndarray' object has no attribute 'axistags'

It looks like we need this module 'vigranumpy':
https://ukoethe.github.io/vigra/doc-release/vigranumpy/index.html