From 45b2cde3b3b1a44c0a6ad314189de4204661af34 Mon Sep 17 00:00:00 2001
From: Stephen Finucane <stephenfin@redhat.com>
Date: Fri, 11 May 2018 11:32:20 +0100
Subject: [PATCH] Fix sphinx-docs job for stable branch

build-openstack-sphinx-docs jobs fails on stable branches due to the new
pip version 10 introduces some previously Warning as Error: in case of
calling "pip install" without any package name, the command fails.
tox_install.sh is called during docs job without any package passed to
pip.

Change-Id: I1c9efa640301427dc0497897eab90fd391baa29c
Signed-off-by: Stephen Finucane <stephenfin@redhat.com>
---
 tools/tox_install.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/tox_install.sh b/tools/tox_install.sh
index 2fec26fd..12fd57fa 100755
--- a/tools/tox_install.sh
+++ b/tools/tox_install.sh
@@ -55,5 +55,10 @@ fi
 # install will be constrained and we need to unconstrain it.
 edit-constraints $localfile -- $LIB_NAME "-e $LIB_LOCATION"
 
+if [ -z "$@" ]; then
+    echo "No packages to be installed."
+    exit 0
+fi
+
 $install_cmd -U $*
 exit $?