Scrapy 'module' object has no attribute 'Spider'错误
在“Scrapy入门教程”中，在创建的“dmoz_spider.py”文件中是通过 的方式导入。但是用这种方法会出现错误： class DmozSpider(scrapy.Spider):AttributeError: 'module' object has ...
原文：ImportError: 'module' object has no attribute 'check_specifier'
centos python 环境下安装 openpyxl 时报错 网上多次查验后，参照这里的说法，更新 setuptools 后再次 pip install openpyxl 解决 ...
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