New submission from Aurora <auroraofearth@ya.ru>: I'm failing to build the cpython/Doc dir. The full build log is as follows: mkdir -p build Building NEWS from Misc/NEWS.d with blurb PATH=./venv/bin:$PATH sphinx-build -b epub -d build/doctrees -D latex_elements.papersize= -W . build/epub Running Sphinx v2.2.0 making output directory... done building [mo]: targets for 0 po files that are out of date building [epub]: targets for 476 source files that are out of date updating environment: [new config] 476 added, 0 changed, 0 removed reading sources... [100%] whatsnew/index Warning, treated as error: /home/aurora/A.Code/Python/Reference/python/cpython/Doc/library/email.message.rst:4:duplicate object description of email.message, other instance in library/email.compat32-message, use :noindex: for one of them make: *** [Makefile:46: build] Error 2 Running on Debian Experimental kernel v5.3 ---------- assignee: docs@python components: Documentation messages: 354425 nosy: aurora, docs@python priority: normal severity: normal status: open title: failing to build the Documentation type: compile error versions: Python 3.9 _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue38441> _______________________________________