From 684e62e784020dadf2d6977f352159e3d15afb3e Mon Sep 17 00:00:00 2001
From: Philipp Moritz <pcmoritz@gmail.com>
Date: Fri, 20 Oct 2017 17:25:15 -0700
Subject: [PATCH] upgrade arrow to include numpy bool fix (#1148)

---
 src/thirdparty/download_thirdparty.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/thirdparty/download_thirdparty.sh b/src/thirdparty/download_thirdparty.sh
index 89cb34e61..8c2086b9d 100755
--- a/src/thirdparty/download_thirdparty.sh
+++ b/src/thirdparty/download_thirdparty.sh
@@ -13,4 +13,4 @@ fi
 cd $TP_DIR/arrow
 git fetch origin master
 
-git checkout a6a97a9d4c07873266a71d8c87069dc4d168e4d2
+git checkout a8f518588fda471b2e3cc8e0f0064e7c4bb99899