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Hi,
when looking at pep-0484 I find the *non-orthogonal* construction, which
may lead to a misconcetion:

What students should be able to code:

1. varinat
#-------------wishful----------------------------------\
class Tree:
    def __init__(self, left: Tree, right: Tree):
        self.left = left
        self.right = right


what students have to write instead:

#-------------bad workaround----------------------------\
class Tree:
    def __init__(self, left: 'Tree', right: 'Tree'):
        self.left = left
        self.right = right

/
Please enable:
from __future__ import annotations

so the *first* variant should be possible
\
At this very moment (python 3.5rc1), it is not possible, but we need it,
so the construction will be orthogonal from the point of view for
students(!) - _one_ concept should work in different circumstances.

        TNX
        Ludger Humbert
- --
https://twitter.com/n770
http://ddi.uni-wuppertal.de/
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