From 94b87a889f1c2b97fd837fe3429c5f0515019ffc Mon Sep 17 00:00:00 2001
From: Matthew Feickert <matthew.feickert@cern.ch>
Date: Wed, 10 Jun 2020 08:52:07 -0500
Subject: [PATCH] fix: Explicitly avoid Sphinx v3.1.0 in 'docs' extra (#895)

* Disallow Sphinx v3.1.0 in 'docs' extra
   - c.f. https://github.com/sphinx-doc/sphinx/issues/7812
---
 setup.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/setup.py b/setup.py
index 78b99aa700..1302abb3c2 100644
--- a/setup.py
+++ b/setup.py
@@ -46,7 +46,7 @@
 extras_require['docs'] = sorted(
     set(
         [
-            'sphinx',
+            'sphinx!=3.1.0',
             'sphinxcontrib-bibtex',
             'sphinx-click',
             'sphinx_rtd_theme',