Ned Batchelder - Machete-mode debugging: Hacking your way out of a tight spot - PyCon 2016

From a channel Lumen includes in full: The official PyCon US 2016 recordings: full talks and multi-hour tutorials by Python core developers and practitioners on the language, testing, packaging, data science and web development, selected by the conference's community review.

A 35-minute video from PyCon 2016's catalogue; the title names its topic.

Video by PyCon 2016, played through YouTube's embedded player.