为啥我安装后使用spider在pycharm提示AttributeError: module 'scrapy' has no attribute 'Spider'

为啥我安装后使用spider在pycharm提示AttributeError: module 'scrapy' has no attribute 'Spider'

然后使用命令pip install spider 的时候提示找不到匹配分布

  Could not find a version that satisfies the requirement spider (from versions: )

No matching distribution found for spider