From 62d48af5095ed38aaf34ed35585a72db816e9677 Mon Sep 17 00:00:00 2001
From: Tom Augspurger <tom.w.augspurger@gmail.com>
Date: Sun, 15 Apr 2018 07:38:50 -0500
Subject: [PATCH] Revert  DOC/CI: temp pin matplotlib for doc build #20045

---
 ci/requirements-3.6_DOC.run | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ci/requirements-3.6_DOC.run b/ci/requirements-3.6_DOC.run
index fa9cab32c0ac2..084f38ce17eb2 100644
--- a/ci/requirements-3.6_DOC.run
+++ b/ci/requirements-3.6_DOC.run
@@ -5,7 +5,7 @@ sphinx
 nbconvert
 nbformat
 notebook
-matplotlib=2.1*
+matplotlib
 seaborn
 scipy
 lxml