From 42f6b913332220128e696efcf16fb3fe7c6efc9f Mon Sep 17 00:00:00 2001
From: Takeshi KOMIYA <i.tkomiya@gmail.com>
Date: Sun, 15 Dec 2019 17:47:57 +0900
Subject: [PATCH] CI: Pinning coverage < 5.0

---
 tox.ini | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tox.ini b/tox.ini
index 5bc2dec58..922432d67 100644
--- a/tox.ini
+++ b/tox.ini
@@ -10,6 +10,7 @@ description =
     py{35,36,37,38}: Run unit tests against {envname}.
     du{12,13,14}: Run unit tests with the given version of docutils.
 deps =
+    coverage < 5.0  # refs: https://github.com/sphinx-doc/sphinx/pull/6924
     du12: docutils==0.12
     du13: docutils==0.13.1
     du14: docutils==0.14