实例化一个类中的多个爬行器

In the interest of saving time and lines of repeated code on a very large project, I have been attempting to instantiate multiple spiders in Scrapy from a single class definition. I don't find in the docs that this is a standard practice, but I also don't find any indication that it cannot or should not be done. However, it is not working. Here is what I'm trying:In the interest of saving time and lines of rep