From 9c7d4e34f72007f26f49f989ad989babbda29f13 Mon Sep 17 00:00:00 2001
From: Massimiliano Culpo <massimiliano.culpo@gmail.com>
Date: Fri, 23 Feb 2018 21:09:01 +0100
Subject: [PATCH] Pin Sphinx version to v1.7.0 (#7337)

Later versions of Sphinx fail due to possible clashes with our custom
argparse.
---
 lib/spack/docs/requirements.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/spack/docs/requirements.txt b/lib/spack/docs/requirements.txt
index d3fe0d18d7..bbb32aa55e 100644
--- a/lib/spack/docs/requirements.txt
+++ b/lib/spack/docs/requirements.txt
@@ -1,5 +1,5 @@
 # These dependencies should be installed using pip in order
 # to build the documentation.
 
-sphinx
+sphinx==1.7.0
 sphinxcontrib-programoutput