Starting download of /gnu/store/dnd22nbq4m69h824vpy8llgsxjsj6r5w-black-21.12b0.tar.gz From https://files.pythonhosted.org/packages/source/b/black/black-21.12b0.tar.gz... following redirection to `https://files.pythonhosted.org/packages/f7/60/7a9775dc1b81a572eb26836c7e77c92bf454ada00693af4b2d2f2614971a/black-21.12b0.tar.gz'...  …2b0.tar.gz 580KiB 0B/s 00:00 [ ] 0.0%  …2b0.tar.gz 580KiB 4.1MiB/s 00:00 [# ] 11.0%  …2b0.tar.gz 580KiB 3.8MiB/s 00:00 [##################] 100.0%