Python 末端刮伤

我已经挣扎了好几个小时，以前有过不同的错误，但我删除了路径中对Python2.7的所有引用，可能是一个错误，现在我又遇到了新的错误

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如果您能帮助我在mac上使用Scrapy，我们将不胜感激

此错误表示找不到您正在搜索的碎片分布。尝试通过以下方式升级您的Scrapy：

Traceback (most recent call last):
  File "/usr/local/bin/scrapy", line 5, in <module>
    from pkg_resources import load_entry_point
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources.py", line 2793, in <module>
    working_set.require(__requires__)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources.py", line 673, in require
    needed = self.resolve(parse_requirements(requirements))
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources.py", line 576, in resolve
    raise DistributionNotFound(req)
pkg_resources.DistributionNotFound: Scrapy==0.24.4

或：

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你是如何安装Scrapy的？

easy_install --upgrade scrapy

pip install --upgrade scrapy