Stanley added the comment:
Is there a bpo page or some sort that discusses why the imperative mood is used
over the indicative mood other than convention of PEP 257? I found this
(https://mail.python.org/pipermail/tutor/2012-May/089584.html) question and
answer that seems to make sense, but
New submission from Paul Ganssle :
In bpo-9305, Fred Drake recommends preferring `Returns ...` over the imperative
`Return ...`: https://bugs.python.org/issue9305#msg110912
Currently we're pretty consistent about `Return ...`, which is consistent with
PEP 257:
