From 0a8566f1902313a02a0e7a18a907e1da914d75f4 Mon Sep 17 00:00:00 2001
From: Detavern <detavern@live.com>
Date: Sat, 22 Feb 2020 04:27:34 +0800
Subject: [PATCH] try to cover python-3.8.1 build on osx (#409)

---
 .travis/install.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.travis/install.sh b/.travis/install.sh
index 92d639e2de1a0..24d32330cec0d 100755
--- a/.travis/install.sh
+++ b/.travis/install.sh
@@ -6,6 +6,7 @@ if [[ $TRAVIS_OS_NAME == 'osx' ]]; then
     eval "${MATRIX_EVAL}"
     echo "python version: $PYTHON_VERSION"
     brew update > /dev/null
+    brew upgrade pyenv
     # use pyenv to build python
     eval "$(pyenv init -)"
     pyenv install $PYTHON_VERSION