Revert "bpo-38870: Remove dependency on contextlib to avoid performance regression on import (GH-17376)" (GH-17687)
This reverts commit ded8888fbc33011dd39b7b1c86a5adfacc4943f3.
P
Pablo Galindo committed
d69cbeb99d5fd0d5464e937202cca6a2024d1bcf
Parent: 4b3b122
Committed by GitHub <noreply@github.com>
on 12/23/2019, 4:42:48 PM