tqdm: A fast, Extensible Progress Bar for Python and CLI

fix multiprocessing lock creation leak (#982, #936, #759) fixes #617 which introduced this bug (v4.29.0, released 2019-01-06, undiagnosed until now) where multiple threads could concurrently create and append process locks to a global list, then try to release them without first acquiring :imp: major test overhaul: fix, update, and speed up misc CI framework updates code linting minor documentation tid