From cb9cc5592e3259c60f8c7f7f3d30133a322ebaba Mon Sep 17 00:00:00 2001
From: Lidi Zheng <lidiz@google.com>
Date: Thu, 7 Mar 2019 17:59:39 -0800
Subject: [PATCH] Upgrade pip before using wheel

---
 tools/run_tests/artifacts/build_package_python.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/run_tests/artifacts/build_package_python.sh b/tools/run_tests/artifacts/build_package_python.sh
index 29a26bc081c..35c78e9a93e 100755
--- a/tools/run_tests/artifacts/build_package_python.sh
+++ b/tools/run_tests/artifacts/build_package_python.sh
@@ -24,7 +24,8 @@ mkdir -p artifacts/
 cp -r "${EXTERNAL_GIT_ROOT}"/input_artifacts/python_*/* artifacts/ || true
 
 apt-get install -y python-pip
-python -m pip install wheel --user
+python -m pip install -U pip
+python -m pip install -U wheel
 
 strip_binary_wheel() {
     WHEEL_PATH="$1"