"invalid option “–github_token=”" deploying to Github pages

I have configured my build to deploy to Github Pages. However, I am seeing an error during the deployment phase. The error says:

invalid option “–github_token=”

I have added the appropriate environment variable to via the travis repository settings.

Build can be found at:
https://travis-ci.org/valainisgt/check-some-boxes/builds/592104662

Yaml file can be found at:

You didn’t set the GITHUB_TOKEN environment variable.

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