[issue25087] Type variable substitution in type instances

[Guido van Rossum]

Guido van Rossum added the comment:

Good question. Let's discuss this in the type hinting / pep 484 tracker:

https://github.com/ambv/typehinting/issues/156

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue25087>
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