From 5fbc2eeac596041569d3c50ec3d8dec2b23870ba Mon Sep 17 00:00:00 2001
From: "Justin M. Keyes" <justinkz@gmail.com>
Date: Mon, 22 Oct 2018 23:24:01 +0200
Subject: [PATCH] CI/Travis/macOS: use default Travis-provided python/pip

Despite #9095, `brew upgrade python` broke again, somehow.

We should not bother attempting to force a python version. Instead use
whatever python Travis provides on the macOS image.
---
 ci/before_install.sh | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/ci/before_install.sh b/ci/before_install.sh
index 2a8eb9ce1f..86dd78af48 100755
--- a/ci/before_install.sh
+++ b/ci/before_install.sh
@@ -9,8 +9,6 @@ fi
 
 if [[ "${TRAVIS_OS_NAME}" == osx ]]; then
   >/dev/null brew update
-  echo "Upgrade Python 3"
-  >/dev/null brew upgrade python
 fi
 
 echo 'python info:'
@@ -27,7 +25,7 @@ echo 'python info:'
 
 if [[ "${TRAVIS_OS_NAME}" == osx ]]; then
   echo "Upgrade Python 3 pip"
-  pip3 -q install --user --upgrade pip
+  python3 -m pip -q install --user --upgrade pip
 else
   echo "Upgrade Python 2 pip"
   python2.7 -m pip -q install --user --upgrade pip