Fix docs build errors that happen when using a docutils beta.

jezdez · jezdez · commit 4dd365d9e309 · 2019-12-06T09:16:27.000+01:00
diff --git a/tox.ini b/tox.ini
@@ -46,6 +46,7 @@ commands =
 basepython = python3.8
 deps = -rdocs/requirements.txt
 commands = sphinx-build -b html -d {envtmpdir}/doctrees docs {envtmpdir}/html
+pip_pre = false
 
 [testenv:py38-lint]
 basepython = python3.8
