From b4f719b60e765d61fa488152c3b89bb478075376 Mon Sep 17 00:00:00 2001
From: xiaoting <31891223+tink2123@users.noreply.github.com>
Date: Tue, 12 Nov 2019 10:03:57 +0800
Subject: [PATCH] update externel/book for paddle_1.6 (#1595)

---
 external/book | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/external/book b/external/book
index cdb5d1930..cb610ecf0 160000
--- a/external/book
+++ b/external/book
@@ -1 +1 @@
-Subproject commit cdb5d19301ad7757272342933430dfbaaf6acec7
+Subproject commit cb610ecf09bc8505678369c6edd4ec95680517ee
-- 
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