[issue37136] Travis CI: Documentation tests fails with Sphinx 2.1

[STINNER Victor]

STINNER Victor <vstinner at redhat.com> added the comment:

I tried but I failed to reproduce the issue using:

git clean -fdx
./configure CFLAGS="-O0"
make

cd Doc
make venv PYTHON=../python

# Successfully installed Jinja2-2.10.1 MarkupSafe-1.1.1 Pygments-2.4.2 Sphinx-2.1.0 alabaster-0.7.12 babel-2.7.0 blurb-1.0.7 certifi-2019.3.9 chardet-3.0.4 docutils-0.14 idna-2.8 imagesize-1.1.0 packaging-19.0 pyparsing-2.4.0 python-docs-theme-2018.7 pytz-2019.1 requests-2.22.0 six-1.12.0 snowballstemmer-1.2.1 sphinxcontrib-applehelp-1.0.1 sphinxcontrib-devhelp-1.0.1 sphinxcontrib-htmlhelp-1.0.2 sphinxcontrib-jsmath-1.0.1 sphinxcontrib-qthelp-1.0.2 sphinxcontrib-serializinghtml-1.1.3 urllib3-1.25.3

# I added "LANG=" to ignore my French locale
# LANG= PATH=./venv/bin:$PATH sphinx-build -b doctest -d build/doctrees -D latex_elements.papersize= -q -W -j4 -W . build/doctest

LANG= make PYTHON=../python SPHINXOPTS="-q -W -j4" doctest

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue37136>
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