Patch for python-uniseg attached that fixes bug#30189.

Sorry if this is a duplicate, but I can't seem my previous email in the
guix-patches archives. Maybe because I missed the [PATCH] in the subject?

On Sun, 21 Jan 2018, Ben Sturmfels wrote:

> Thanks Gábor, adding zipfile fixes the build and Retux now runs.
>
> Patch attached and CC'd to guix-patches.
>
> Regards,
> Ben
>
> On Sun, 21 Jan 2018, Gábor Boskovits wrote:
>
>> I think unzip should be added to native-inputs. Can you try that?
>>
>> 2018-01-21 4:46 GMT+01:00 Ben Sturmfels <ben@sturm.com.au>:
>>
>>  Hi Folks,
>>
>>  I'd like to play the Retux game, but while the game starts up it
>>  crashes
>>  on me after the "preloading levels" screen.
>>
>>  There's no useful console output, but when running in the debugger, I
>>  see that the python-uniseg package is looking for a file called
>>  ucd.sqlite3 that doesn't exist, some kind of Unicode letter spacing
>>  database that's not present in the BitBucket repository.
>>
>>  python3 -m pdb -c continue \
>>  "/gnu/store/57psnlgdyri8phkxzasaf6q0gb8nskpz-retux-1.3.5/bin/.retux-real"
>>
>>
>>  See uniseg/db.py:107 and 21. Since it's also looking in the current
>>  directory, I tried downloading ucd.sqlite3 from the PyPI zip package -
>>  that fixes the issue.
>>
>>  The python-uniseg package downloads the source from BitBucket, so
>>  I
>>  tried changing that to PyPI:
>>
>>  (uri (pypi-uri "uniseg" version ".zip"))
>>
>>  which downloads ok, but fails but the fails at the unpack phase
>>  without
>>  any details. Should Guix know how to unpack a .zip? Or maybe I
>>  should
>>  coerce the maintainer to publish a .tar.gz?
>>
>>  Currently Retux is the only program that uses python-uniseg (via
>>  python-sge-pygame dependency).
>>
>>  Regards,
>>  Ben