pex init won't work

[OlgaPaw]

> pex init
fatal: unable to connect to github.com:
github.com[0: 140.82.121.4]: errno=Operation timed out

[tsmith5]

Try forcing git to use https with these two commands first, then re-run pex init

git config --global url."https://github.com/".insteadOf git@github.com:
git config --global url."https://".insteadOf git://