bug#67304: Build python-cdflib.x86_64-linux on master is broken.

[Eric Bavier]

Hi Maxim, thanks for the report.

On Mon, 2023-11-20 at 14:02 -0500, Maxim Cournoyer wrote:
> 
> It seems something in the commits series
> https://git.savannah.gnu.org/cgit/guix.git/log/?qt=range&q=2ab5e449246f98b049888dde3c310f5b4a0a64a2..b7abea0fd6a146563830db1dc4ddd0cceb6fcf1c
> either broke the test, else it's flaky.
> 

I have built the package locally many times without fail.

The failed test is one that checks fidelity of a rountrip time format
conversion for a randomly-generated time, so failure may indeed be
intermittent.

I will try to dig a bit further, and maybe Sharlatan can as well.

`~Eric