[PATCH] Add express-beta-diversity

[Ben Woodcroft]

Hi,

I noticed when packaging this that when "python" is provided as an input 
(and not python-2), then the python scripts don't get their shebangs 
fixed, because there is no python executable in the $PATH (it is 
python3). This seems not right to me - is there a reason for this, maybe 
so python 2 and 3 can coexist?

In this case the python script was written with python-2 in mind so it 
doesn't matter here though. Thanks in advance for the review.
ben

0001-gnu-Add-express-beta-diversity.patch
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