我尝试使用pip安装任何软件包时都会遇到此错误。我有两个pip实例,一个是Python 2.7,另一个是Python 3。
Could not import setuptools which is required to install from a source distribution.
Traceback (most recent call last):
File "/usr/local/lib/python2.7/dist-packages/pip/req/req_install.py", line 375, in setup_py
import setuptools # noqa
File "/usr/local/lib/python2.7/dist-packages/setuptools/__init__.py", line 11, in <module>
from setuptools.extern.six.moves import filterfalse, map
File "/usr/local/lib/python2.7/dist-packages/setuptools/extern/__init__.py", line 1, in <module>
from pkg_resources.extern import VendorImporter
ImportError: No module named extern
即使我尝试安装“外部”模块,也会出现这个错误。即使像python setup.py install
这样使用Python自身进行安装也是如此。谢谢您的帮助。