global_pip_packages:
    - flake8
    - ipython

python_versions:
    - 3.7.2
    - 2.7.15


global_python_version: 3.7.2

global_pip_packages:
    - flake8
    - ipython

python_versions:
    - 3.7.2
    - 2.7.15


global_python_version: "3.7.2 2.7.15"

Add python 2.7.15 to global python version
[python-dev] Add python 2.7.15 to global python version
