[docs] [issue29481] 3.6.0 doc describes 3.6.1 feature - typing.Deque

[Ivan Levkivskyi]

Changes by Ivan Levkivskyi <levkivskyi at gmail.com>:


----------
nosy: +levkivskyi

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue29481>
_______________________________________