小编Dar*_*ren的帖子

我正在尝试使用 pip 创建一个隔离环境，“Hands on Machine Learning With Ski-Kit and Tensor Flow”中的说明让我运行这些代码行，这是我得到的输出。我尝试过卸载pipenv，但这会产生另一个错误，其中找不到 pipelinev 命令。不知道如何解决这个问题，有人可以帮忙吗？我使用的是带有 python3.9 的 Mac

Darrens-MacBook-Air:~ odonned4$cd $ML_PATH

Darrens-MacBook-Air:~ odonned4$virtualenv env

  File "/usr/local/bin/virtualenv", line 6, in <module>
    from pkg_resources import load_entry_point
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources/__init__.py", line 3241, in <module>
    @_call_aside
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources/__init__.py", line 3225, in _call_aside
    f(*args, **kwargs)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources/__init__.py", line 3254, in _initialize_master_working_set
    working_set = WorkingSet._build_master()
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources/__init__.py", line 585, in _build_master
    return cls._build_from_requirements(__requires__)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources/__init__.py", line 598, in _build_from_requirements
    dists = ws.resolve(reqs, Environment())
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources/__init__.py", …