Pytest 版本冲突错误

Pytest Version Conflict Error(Pytest 版本冲突错误)

本文介绍了Pytest 版本冲突错误的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

Debian (Jessie) 更新后,pytest 不起作用:

After update of Debian (Jessie), pytest doesn't work :

#py.test

Traceback (most recent call last):
  File "/usr/bin/py.test", line 5, in <module>
    sys.exit(load_entry_point('pytest==2.4.2', 'console_scripts', 'py.test')())
  File "/usr/local/lib/python2.7/dist-packages/pkg_resources.py", line 348, in      load_entry_point
    return get_distribution(dist).load_entry_point(group, name)
  File "/usr/local/lib/python2.7/dist-packages/pkg_resources.py", line 2311, in     load_entry_point
    return ep.load()
  File "/usr/local/lib/python2.7/dist-packages/pkg_resources.py", line 2024, in load
    if require: self.require(env, installer)
  File "/usr/local/lib/python2.7/dist-packages/pkg_resources.py", line 2037, in require
    working_set.resolve(self.dist.requires(self.extras),env,installer)))
  File "/usr/local/lib/python2.7/dist-packages/pkg_resources.py", line 571, in resolve
    raise VersionConflict(dist,req) # XXX put more info here
pkg_resources.VersionConflict: (py 1.4.15 (/usr/lib/python2.7/dist-packages), Requirement.parse('py>=1.4.17'))

如何解决此错误?提前谢谢!

How can I fix this error? Thanx in advance!

推荐答案

/usr/local/lib/python2.7/dist-packages中的文件属于你用pip安装的python包,easy_install 或 python setup.py.系统更新可能弄乱了一些依赖项.这行得通吗?

The files in /usr/local/lib/python2.7/dist-packages belong to python packages you installed with pip, easy_install or python setup.py. The system update probably messed up some dependencies. Does this work?

sudo apt-get install python-pip
sudo /usr/bin/pip install -U pytest

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