gems/sass-rails-5.0.6/lib/sass/rails/helpers.rb:6: warning: method redefined; discarding old asset_data_url
gems/sprockets-3.7.1/lib/sprockets/sass_processor.rb:253: warning: previous definition of asset_data_url was here
Pull requests are usually filed against the master branch for this repo, but this one is against 5-0-stable. Please double check that you specified the right target!
This fixes following warning: