module._init_()最多接受两个参数(给定的3个参数)(剪贴教程w/ xpath)

I'm not sure how I have 3 arguements here, and if so, how do i call DmozItem from items.py? This seems like a simple inheritance issue I'm missing. This code is copied directly from the scrapy tutorial website.I'm not sure how I have 3 arguements here, and