this should never return nil, so no use for "try"

actionpack/lib/action_controller/caching/actions.rb

@@ -175,7 +175,7 @@ def initialize(controller, options = {}, infer_extension = true)
       private
         def normalize!(path)
           path << 'index' if path[-1] == ?/
-          path << ".#{extension}" if extension and !path.split('?').first.try(:ends_with?, ".#{extension}")
+          path << ".#{extension}" if extension and !path.split('?').first.ends_with?(".#{extension}")
           URI.parser.unescape(path)
         end
       end