Merge pull request #1 from CN-hanyi/master

修复获取PriorityQueue pop方法bug

scrapy_redis_sentinel/queue.py

@@ -127,7 +127,7 @@ def pop(self, timeout=0):
             """
             script = self.server.register_script(pop_lua_script)
             results = [script(keys=[self.key])]
-        if results:
+        if results[0]:
             return self._decode_request(results[0])