各位大神，为什么我运行出现下面的错误啊？
Traceback (most recent call last):
File "C:\Python27\lib\site-packages\scrapy\core\engine.py", line 126, in _next_request
request = next(slot.start_requests)
File "C:\Users\chinchilla77\SinaSpider\Sina_spider1\Sina_spider1\spiders\spiders.py", line 22, in start_requests
ID = self.scrawl_ID.pop()
KeyError: 'pop from an empty set'
新手，求帮助：（
LiuXingMing
commented
7 years ago
各位大神，为什么我运行出现下面的错误啊？ Traceback (most recent call last): File "C:\Python27\lib\site-packages\scrapy\core\engine.py", line 126, in _next_request request = next(slot.start_requests) File "C:\Users\chinchilla77\SinaSpider\Sina_spider1\Sina_spider1\spiders\spiders.py", line 22, in start_requests ID = self.scrawl_ID.pop() KeyError: 'pop from an empty set' 新手，求帮助：（