[issue27385] itertools.groupby has misleading doc string

[Raymond Hettinger]

Raymond Hettinger added the comment:


New changeset e2a30cd35b95dad55aea10347655f246348d1951 by Raymond Hettinger (Miss Islington (bot)) in branch '3.6':
[3.6] bpo-27385: Clarify docstring for groupby() (GH-3738) (#3744)
https://github.com/python/cpython/commit/e2a30cd35b95dad55aea10347655f246348d1951


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<https://bugs.python.org/issue27385>
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