bpo-25988: Emit a warning when use or import ABCs from 'collections'. (#5460)
S
Serhiy Storchaka committed
c66f9f8d3909f588c251957d499599a1680e2320
Parent: a29ddf4
Committed by GitHub <noreply@github.com>
on 1/31/2018, 5:19:33 PM