lib/open_api/schema.rb in open_api-0.3.2 vs lib/open_api/schema.rb in open_api-0.3.3

@@ -52,10 +52,10 @@
         value =
           case k.to_sym
           when :items then v.serializable_hash
           when :properties then v.map { |k, v| [k.to_s, v.serializable_hash] }.to_h
           else
-            v.to_s
+            v&.to_s
           end
         [k.to_s, value]
       }.to_h
 
       {