lib/bullet/rack.rb in bullet-4.1.1 vs lib/bullet/rack.rb in bullet-4.1.2

@@ -26,10 +26,11 @@
 
     # fix issue if response's body is a Proc
     def empty?(response)
       # response may be ["Not Found"], ["Move Permanently"], etc.
       (response.is_a?(Array) && response.size <= 1) ||
-      !response.body.is_a?(String) || response.body.empty?
+        !response.respond_to?(:body) ||
+        !response.body.is_a?(String) || response.body.empty?
     end
 
     # if send file?
     def file?(headers)
       headers["Content-Transfer-Encoding"] == "binary"