lib/grape/middleware/base.rb in grape-0.12.0 vs lib/grape/middleware/base.rb in grape-0.13.0

@@ -35,9 +35,10 @@
       # @return [Response, nil] a Rack SPEC response or nil to call the application afterwards.
       def after
       end
 
       def response
+        return @app_response if @app_response.is_a?(Rack::Response)
         Rack::Response.new(@app_response[2], @app_response[0], @app_response[1])
       end
 
       def content_type_for(format)
         HashWithIndifferentAccess.new(content_types)[format]