try again

src/travis/linux-x86-before-install.sh

@@ -1,6 +1,6 @@
 sudo sh -c "echo 'foreign-architecture i386' > /etc/dpkg/dpkg.cfg.d/multiarch"
 sudo apt update
-sudo apt install -y python:i386
+sudo apt install -y python2.7:i386
 python -V
 sudo pip install --upgrade pip
 sudo pip freeze > requirements.txt

src/travis/osx-x86_64-sierra-testing-before-install.sh

@@ -1,8 +1,9 @@
-brew update
-brew install python@2
-curl https://bootstrap.pypa.io/get-pip.py | sudo python
-pip freeze > requirements.txt
+sudo brew update
+sudo brew install python@2 || true
+sudo brew link --overwrite python@2
+sudo pip install --upgrade pip
+sudo pip freeze > requirements.txt
 sudo pip install --upgrade -r requirements.txt
-rm requirements.txt
+sudo rm requirements.txt
 sudo pip install --upgrade altgraph
 sudo pip install pyinstaller