bpo-45359: Support TopologicalSorter type subscript (GH-28714)

* Support TopologicalSorter type subscript

* 📜🤖 Added by blurb_it.

* Add TopologicalSorter to GenericAlias tests

* Update Misc/NEWS.d/next/Library/2021-10-03-22-27-35.bpo-45359.LX_uxe.rst

Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
Co-authored-by: Batuhan Taskaya <isidentical@gmail.com>

Jacob Hayes committed 4y ago

3cb9731b7e59b0df9a7a9ab6b7746a669958b693

Parent: f893bb2

Committed by GitHub <noreply@github.com> on 12/8/2021, 6:52:57 PM