求求各位网友帮个忙 我实在看不出哪里错了

报错 如下:
Traceback (most recent call last):
File "C:/Users/11757/Desktop/爬虫/test.py", line 48, in <module>
get_parese(respone)
File "C:/Users/11757/Desktop/爬虫/test.py", line 38, in get_parese
title = item.find(name = 'div', class_ = 'title').find(name = 'a').string
AttributeError: 'NoneType' object has no attribute 'find'