为python3安装venv

Question

我尝试在Ubuntu15.10上使用python3创建venv。 我已经安装了python3.4.4。 首先，我试图通过pip3安装venv（我已经通过python2.7安装了它，但据我所知，对于py3，我应该再次安装它）

pip3 install virtualenv

我得到了The 'pip==8.0.0' distribution was not found and is required by the application错误。在

接下来，我尝试使用以下命令安装pip3：

^{pr2}$

看起来它已经成功完成了。但当我跑的时候

> pip3

我得到以下错误：

Traceback (most recent call last):
  File "/usr/local/bin/pip3", line 5, in <module>
    from pkg_resources import load_entry_point
  File "/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 3130, in <module>
    @_call_aside
  File "/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 3116, in _call_aside
    f(*args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 3143, in _initialize_master_working_set
    working_set = WorkingSet._build_master()
  File "/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 644, in _build_master
    return cls._build_from_requirements(__requires__)
  File "/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 657, in _build_from_requirements
    dists = ws.resolve(reqs, Environment())
  File "/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 830, in resolve
    raise DistributionNotFound(req, requirers)
pkg_resources.DistributionNotFound: The 'pip==8.0.0' distribution was not found and is required by the application

如果我跑了

> pip --version
pip 8.1.2 from /usr/local/lib/python2.7/dist-packages (python 2.7)

我做错什么了吗？pip3是否只需要pip==8.0？在

Answer 1

您的pip指向python2.7

  usr/local/lib/python2.7/

第一个更改路径

^{pr2}$

检查路径

  echo $PATH

运行3点或3点