[PATCH 1/1] requirements.txt: pin docutils

[Heinrich Schuchardt]

Building make htmldocs fails with docutils 0.17 due to non-ASCII
characters. Pin docutils to version 0.16.

Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
---
 doc/sphinx/requirements.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/sphinx/requirements.txt b/doc/sphinx/requirements.txt
index 5030d346d2..af79d2c119 100644
--- a/doc/sphinx/requirements.txt
+++ b/doc/sphinx/requirements.txt
@@ -1,4 +1,4 @@
-docutils
+docutils==0.16
 Sphinx==2.4.4
 sphinx_rtd_theme
 six
--
2.17.1