Jedi: PEP 526 support

[Hardtack]

It seems that jedi does not support PEP 526 yet.
I can find any issues or code that mention it.
Is there any activities or plans to support this?

PEP 526 - Syntax for Variable Annotations

foo = {'bar': datetime.datetime.now()}
baz = foo['bar']  # type: datetime.datetime
# is equivalent to 
baz: datetime.datetime = foo['bar']

[davidhalter]

We should do that. Probably just need to add a Python 3.6 grammar and add like 5-10 lines to Jedi. We do something very similar for Jedi.

[davidhalter]

I've implemented it on the dev branch.