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当我尝试开始scrapy时,我收到了这个错误。为什么会出现?

$ scrapy startproject tutorial Traceback(最近一次调用最后一次):文件“/Applications/anaconda/bin/scrapy”,第 5 行,in from pkg_resources import load_entry_point File“/Applications/anaconda/lib/python2.7/site-packages/setuptools -2.1-py2.7.egg/pkg_resources.py”,第 2697 行,在文件“/Applications/anaconda/lib/python2.7/site-packages/setuptools-2.1-py2.7.egg/pkg_resources.py”中,第 669 行,在要求文件“/Applications/anaconda/lib/python2.7/site-packages/setuptools-2.1-py2.7.egg/pkg_resources.py”中,第 572 行,在解析 pkg_resources.DistributionNotFound: cryptography>=0.2 .1 美元

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1 回答 1

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Scrapy pyOpenSSL包作为依赖项需要cryptography安装模块。要么,从头开始重新安装scrapy:

pip uninstall Scrapy
pip install Scrapy

或者,cryptography单独安装模块:

pip install cryptography
于 2015-01-01T02:48:26.630 回答