yum install python-configparser ，centos 7.9 ，yum源配置的没有问题，

但是立马没有对应的包

[root@gbase8c_3 python-plprofiler]# python setup.py install  （安装plprofiler 时候报错）

Searching for configparser
Reading https://pypi.python.org/simple/configparser/
Download error on https://pypi.python.org/simple/configparser/: [Errno -2] Name or service not known -- Some packages may not be found!
Couldn't find index page for 'configparser' (maybe misspelled?)
Scanning index of all packages (this may take a while)
Reading https://pypi.python.org/simple/
Download error on https://pypi.python.org/simple/: [Errno -2] Name or service not known -- Some packages may not be found!
No local packages or download links found for configparser
error: Could not find suitable distribution for Requirement.parse('configparser')