python ubuntu virtualenv ->;错误
新人来了，请多多指教。
有一天我是：
sudo apt-get install python-virtualenv
然后我是（按照说明）：
virtualenv env
Ubuntu 10.10 就像：
Traceback (most recent call last):
File "/usr/local/bin/virtualenv", line 5, in <module>
from pkg_resources import load_entry_point
File "/usr/lib/python2.6/dist-packages/pkg_resources.py", line 2675, in <module>
parse_requirements(__requires__), Environment()
File "/usr/lib/python2.6/dist-packages/pkg_resources.py", line 552, in resolve
raise DistributionNotFound(req)
pkg_resources.DistributionNotFound: virtualenv==1.5.1
什么给出了？
Newbie here, be kind.
The other day I am all:
sudo apt-get install python-virtualenv
And then I am (following instructions):
virtualenv env
And Ubuntu 10.10 is like:
Traceback (most recent call last):
File "/usr/local/bin/virtualenv", line 5, in <module>
from pkg_resources import load_entry_point
File "/usr/lib/python2.6/dist-packages/pkg_resources.py", line 2675, in <module>
parse_requirements(__requires__), Environment()
File "/usr/lib/python2.6/dist-packages/pkg_resources.py", line 552, in resolve
raise DistributionNotFound(req)
pkg_resources.DistributionNotFound: virtualenv==1.5.1
What gives?
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升级到 Ubuntu 11.04 后遇到了同样的问题。
事实证明，这只是因为 apt 安装了 python-virtualenv 1.4，它太旧了。
我删除了 deb 包并使用
pip install代替，它工作得很好。Had the same issue after upgrading to Ubuntu 11.04..
Turns out it was only because apt installed python-virtualenv 1.4, which was too old.
I removed the deb package and used
pip installinstead and it worked fine.python-virtualenv软件包应该已在/usr/bin/中安装了virtualenv。相反，回溯错误消息表明您正在运行
/usr/local/bin/virtualenv。也许卸载virtualenv的/usr/local版本，然后重试。The
python-virtualenvpackage should have installedvirtualenvin/usr/bin/.Instead, the traceback error message says you are running
/usr/local/bin/virtualenv. Perhaps uninstall the/usr/localversion ofvirtualenv, and try again.