我無法同時使用Python 2.x或Python 3.x創建虛擬環境。當我嘗試創建虛擬環境時，出現錯誤：$ virtualenv my_env2 [0:05:17] ?[..........]

Running virtualenv with interpreter /usr/bin/python2

New python executable in /home/user/my_env2/bin/python2

Not overwriting existing python script /home/user/my_env2/bin/python (you must use /home/user/my_env2/bin/python2)

Installing setuptools, pkg_resources, pip, wheel...

Complete output from command /home/lynx/my_env2/bin/python2 - setuptools pkg_resources pip wheel:

Traceback (most recent call last):

File "", line 7, in

File "/usr/share/python-wheels/pip-9.0.1-py2.py3-none-any.whl/pip/__init__.py", line 31, in

File "/usr/share/python-wheels/pip-9.0.1-py2.py3-none-any.whl/pip/vcs/mercurial.py", line 9, in

File "/usr/share/python-wheels/pip-9.0.1-py2.py3-none-any.whl/pip/download.py", line 40, in

ImportError: cannot import name requests

----------------------------------------

...Installing setuptools, pkg_resources, pip, wheel...done.

Traceback (most recent call last):

File "/usr/lib/python3/dist-packages/virtualenv.py", line 2375, in

main()

File "/usr/lib/python3/dist-packages/virtualenv.py", line 724, in main

symlink=options.symlink)

File "/usr/lib/python3/dist-packages/virtualenv.py", line 992, in create_environment

download=download,

File "/usr/lib/python3/dist-packages/virtualenv.py", line 922, in install_wheel

call_subprocess(cmd, show_stdout=False, extra_env=env, stdin=SCRIPT)

File "/usr/lib/python3/dist-packages/virtualenv.py", line 817, in call_subprocess

% (cmd_desc, proc.returncode))

OSError: Command /home/user/my_env2/bin/python2 - setuptools pkg_resources pip wheel failed with error code 1

Python3.x也出現了同樣的錯誤。你能幫我嗎？在

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