Instagram/instagram-ruby-gem — pull request #53 by rickpern (2012-12-11 02:26:55+00:00)
Title: Custom FaradayMiddleware OAuth2 class name to avoid conflict with other gems implementing FaradayMiddleware OAuth2.

I use this gem along with youtube_it, which both define FaradayMiddleware::OAuth2, thus overriding each other and conflicting. This solution keeps the middleware in the Faraday namespace, but just defines a specific Instagram implementations.