always double check there is a class first

2017-11-13 16:06:18 +11:00 · 2017-11-13 16:06:18 +11:00 · ed0751f288
parent dfe9f70747
commit ed0751f288
1 changed files with 1 additions and 1 deletions
--- a/lib/cooked_post_processor.rb
+++ b/lib/cooked_post_processor.rb
@ -336,7 +336,7 @@ class CookedPostProcessor
          found = false
          parent = img
          while parent = parent.parent
-            if parent["class"].include? "whitelistedgeneric"
+            if parent["class"] && parent["class"].include?("whitelistedgeneric")
              found = true
              break
            end