pip is error,TypeError: __call__() takes exactly 2 arguments (1 given)

栏目: Python · 发布时间: 8年前

内容简介:python更新包版本时出现 pip is error,TypeError: __call__() takes exactly 2 arguments (1 given) 错误

python 更新包版本时出现 pip is error,TypeError: __call__() takes exactly 2 arguments (1 given) 错误

[root@location src]# pip
Traceback (most recent call last):
File "/usr/bin/pip", line 5, in <module>
from pkg_resources import load_entry_point
File "/usr/lib/python2.7/site-packages/pkg_resources/__init__.py", line 72, in <module>
import packaging.requirements
File "/usr/lib/python2.7/site-packages/packaging/requirements.py", line 59, in <module>
MARKER_EXPR = originalTextFor(MARKER_EXPR())("marker")
TypeError: __call__() takes exactly 2 arguments (1 given)

解决方法:

python -m pip install --upgrade --force pip 
pip install setuptools==33.1.1

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