[docs] [issue20626] Manager documentation unclear about lists and thread safeness

[Irvin Probst]

Changes by Irvin Probst <probst at gmail.com>:


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assignee:  -> docs at python
components: +Documentation
nosy: +docs at python
versions: +Python 2.7, Python 3.1, Python 3.2, Python 3.3, Python 3.4, Python 3.5

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue20626>
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