macos proxy_bypass_macosx_sysconf exception

macos, 在rpc调用request请求时，在proxy_bypass_macosx_sysconf 无法返回

解决方法：

import requests

session = requests.Session()
session.trust_env = False

response = session.get('http://www.stackoverflow.com')

# or 

import os
os.environ['no_proxy'] = '*' 

ref： https://stackoverflow.com/a/28521696/8025086

https://bugs.python.org/issue24273#msg243963

https://bugs.python.org/issue28342

https://bugs.python.org/issue8883