[3.7] bpo-25872: Fix KeyError in linecache when multithreaded (GH-18007) (GH-20092) by miss-islington · Pull Request #20511 · python/cpython

…GH-18007) (pythonGH-20092)

Backporting to 3.8 and adding a NEWS item (I should have added one to the master branch -- oh well).
(cherry picked from commit b86636b)

Co-authored-by: Andrew Kuchling <amk@amk.ca>

the-knights-who-say-ni added the CLA signed label

bedevere-bot added the awaiting review label

csabella changed the title [3.7] [3.8] bpo-25872: Fix KeyError in linecache when multithreaded (GH-18007) (GH-20092) [3.7] bpo-25872: Fix KeyError in linecache when multithreaded (GH-18007) (GH-20092)

miss-islington merged commit 852e8a7 into python:3.7

bedevere-bot removed the awaiting merge label

miss-islington deleted the backport-b86636b-3.7 branch