ruby on rails - HAML app layout not being picked up? -

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i'm working on 1st ruby on rails app. have set haml formatter , rendering views fine. however, have views/layouts/application.html.haml file basic layout, not being picked @ all. see on page may view's html. make fail picked up?

make sure controller extends applicationcontroller , not actioncontroller::base.

class somecontroller < applicationcontroller

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