Add low precision warning to docstring of inverse Wigner function

[ElisR]

Temporary measure until #209 is fixed properly.

[ElisR]

Feel free to change the wording, of course!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.10%. Comparing base (2c3d9e5) to head (0c5e664).
Report is 66 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #220   +/-   ##
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  Coverage   93.10%   93.10%           
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  Files          29       29           
  Lines        3146     3146           
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  Hits         2929     2929           
  Misses        217      217           

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[CosmoMatt]

Hi @ElisR thanks for adding this, I'll be getting onto #209 today.

@all-contributors please add @ElisR for bug, doc

[allcontributors]

@CosmoMatt

I've put up a pull request to add @ElisR! 🎉

[CosmoMatt]

Good catch @ElisR, definitely worth noting in the docstrings. If we weren't going to address this issue imminently I would perhaps suggest raising a more verbose warning in the code itself, but this should hopefully be redundant shortly!