From 8d7e9b38059c5b97020b377c5571e18d349ffa9c Mon Sep 17 00:00:00 2001
From: Fatih Degirmenci <fdegir@gmail.com>
Date: Fri, 12 Apr 2019 14:54:35 +0200
Subject: [PATCH] Constraint networkx to <2.3 for Python 2

NetworkX released 2.3, dropping support for Python 2.

https://github.com/networkx/networkx/blob/master/doc/news.rst

Depends-On: https://review.openstack.org/#/c/652094

Change-Id: I59afe81d7868605434d2a42658c5b09a6a546732
---
 requirements.txt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/requirements.txt b/requirements.txt
index 2ece8cf8..d283dec0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,9 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 Babel!=2.4.0,>=2.3.4 # BSD
-networkx>=1.10 # BSD
+# NOTE(fdegir): NetworkX 2.3 dropped support for Python 2
+networkx>=1.10,<2.3;python_version<'3.0' # BSD
+networkx>=1.10;python_version>='3.4' # BSD
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
 PyYAML>=3.12 # MIT
 flake8<2.6.0,>=2.5.4 # MIT