New submission from Mark Dickinson:
The newly-added statistics.geometric_mean function appears to have no tests at
all, with the exception of a single doctest:
>>> geometric_mean([1.10, 0.95, 1.12])
1.0538483123382172
Steve, Ned: what do you think about taking geometric_mean out of Python 3.6,
leaving us time to get it into shape for 3.7? The implementation of
geometric_mean is complicated, with many edge cases. The original code was
committed without review in #27181, and it currently suffers from some serious
bugs: see #27761, #28111, #28327 (the first of these affects only the tests for
nroot; the second and third are behaviour bugs in geometric_mean). With the
lack of tests, and Python 3.6 b2 looming, I think the best thing to do might be
to defer the inclusion of geometric_mean to Python 3.7.
I'll mark this as a release blocker until we decide what to do.
----------
assignee: steven.daprano
messages: 277811
nosy: mark.dickinson, ned.deily, steven.daprano
priority: release blocker
severity: normal
stage: test needed
status: open
title: statistics.geometric_mean has no tests. Defer to 3.7?
type: behavior
versions: Python 3.6, Python 3.7
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue28328>
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