TypeError: 'NoneType' object is not iterable #12
Description
Traceback (most recent call last):
File "C:/Users/Administrator/Downloads/crawl-zsxq-master/crawl.py", line 119, in
make_pdf(get_data(start_url))
File "C:/Users/Administrator/Downloads/crawl-zsxq-master/crawl.py", line 37, in get_data
for topic in json.loads(f.read()).get('resp_data').get('topics'):
TypeError: 'NoneType' object is not iterable
提示这个错误怎么解决呢？