Let scrapy.utils.serialize.ScrapyJSONEncoder do the serialization

Author: llonchj

scrapy_redis/pipelines.py

@@ -22,7 +22,7 @@ def process_item(self, item, spider):
 
     def _process_item(self, item, spider):
         key = self.item_key(item, spider)
-        data = self.encoder.encode(dict(item))
+        data = self.encoder.encode(item)
         self.server.rpush(key, data)
         return item