[Python-checkins] Pin again sphinx version as stated in the comment. (GH-9824)

[Julien Palard]

https://github.com/python/cpython/commit/17775ae4633ca79468a1f72e92e13a775f1242ca
commit: 17775ae4633ca79468a1f72e92e13a775f1242ca
branch: master
author: Julien Palard <julien at palard.fr>
committer: GitHub <noreply at github.com>
date: 2018-10-12T19:23:37+02:00
summary:

Pin again sphinx version as stated in the comment. (GH-9824)

files:
M .travis.yml

diff --git a/.travis.yml b/.travis.yml
index 19be17e2f25e..16b9746feeb5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -54,7 +54,7 @@ matrix:
         # Sphinx is pinned so that new versions that introduce new warnings won't suddenly cause build failures.
         # (Updating the version is fine as long as no warnings are raised by doing so.)
         # The theme used by the docs is stored separately, so we need to install that as well.
-        - python -m pip install sphinx blurb python-docs-theme
+        - python -m pip install sphinx==1.8.1 blurb python-docs-theme
       script:
         - make check suspicious html SPHINXOPTS="-q -W -j4"
     - os: osx