From 8f03fafac5f8176b97e4500c98a6948690af746e Mon Sep 17 00:00:00 2001
From: Junru Shao <junrushao1994@gmail.com>
Date: Tue, 9 Jun 2020 12:52:09 -0700
Subject: [PATCH] [Minor][Test] Clean WASM environment before build

---
 tests/scripts/task_web_wasm.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tests/scripts/task_web_wasm.sh b/tests/scripts/task_web_wasm.sh
index c68902cb2ae8..717d3284fce1 100755
--- a/tests/scripts/task_web_wasm.sh
+++ b/tests/scripts/task_web_wasm.sh
@@ -22,6 +22,7 @@ set -u
 export PYTHONPATH=`pwd`/python
 
 cd web
+make clean
 npm install
 npm run lint
 npm run prepwasm