today I show off a very strange bug in `black`'s testsuite -- and then how I found the problem which led to the fix! - what is test pollution? - fixing a flaky test with detect-test-pollution: - debugging a sentry test pollution: playlist: ========== twitch: dicsord: twitter: github: stream github: I won't ask for subscriptions / likes / comments in videos but it really helps the channel. If you have any suggestions or things you'd like to see please comment below!