[docs] [issue25461] Unclear language (the word ineffective) in the documentation for os.walk

[Roundup Robot]

Roundup Robot added the comment:

New changeset 8247dff49113 by Victor Stinner in branch '2.7':
Issue #25461: Rephrase os.walk() doc
https://hg.python.org/cpython/rev/8247dff49113

----------

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue25461>
_______________________________________