This simple script may help you deal with pull requests coming to your GitHub repositories from robots:
$ gem install mergem
Then, run it locally and read its output:
$ mergem --repo yegor256/mergem --verbose --token <YOUR_GITHUB_TOKEN>
How to contribute
Read these guidelines. Make sure you build is green before you contribute your pull request. You will need to have Ruby 2.3+ and Bundler installed. Then:
$ bundle update
$ bundle exec rake
If it's clean and you don't see any error messages, submit your pull request.