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

Question

system

• centos 7.2
• Python 2.7.5

install

I install webhook

pip install webhook
### but hava error,then
yum in         


        

Answer 1

I applied the fix

pip install setuptools==33.1.1

and it solved the problem for OSX 10.10.5 (Yosemite)