From 95ff4fba61385006af5194b951b29f3bdf37f422 Mon Sep 17 00:00:00 2001
From: Youwei Song <youwei0314@gmail.com>
Date: Wed, 7 Aug 2019 20:13:08 +0800
Subject: [PATCH] specify the highest numpy version under python 2.x (#19018)

As mentioned in this link, the last version of NumPy to support Python 2.7 is numpy 1.16.4.
---
 python/requirements.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/python/requirements.txt b/python/requirements.txt
index f35a1a312e3..26dc552140f 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -1,5 +1,6 @@
 requests>=2.20.0
-numpy>=1.12
+numpy>=1.12, <=1.16.4 ; python_version<"3.5"
+numpy>=1.12 ; python_version>="3.5"
 protobuf>=3.1.0
 recordio>=0.1.0
 matplotlib<=2.2.4 ; python_version<"3.6"
-- 
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