CI: Skip latest virtualenv release; breaking Py2 on OSX
@@ -61,8 +61,7 @@ before_install:
conda info -a;
conda install --quiet python=$PYTHON_VERSION;
fi
- - travis_retry pip install --upgrade pip
- - travis_retry pip install --upgrade virtualenv
+ - travis_retry pip install --upgrade pip "virtualenv!=16.7.3"
- virtualenv --python=python venv
- source venv/bin/activate
- python --version # just to check
