This happens when we do a bundle install with the latest version of the gem.
Gem::Package::PathError: installing into parent path /Users/schneems/Documents/projects/barnes/init.rb of <REDACTED>/gems/barnes-0.0.2 is not
allowed
An error occurred while installing barnes (0.0.2), and Bundler cannot continue.
Make sure that `gem install barnes -v '0.0.2'` succeeds before bundling.
This happens when we do a
bundle install
with the latest version of the gem.