UnicodeDecodeError while using json.dumps()

UnicodeDecodeError 

 

系统、文件、vim全部设置为utf-8

 

export LANG=zh_CN.UTF8

 

# coding:utf-8

 

json.dumps(content, ensure_ascii=False, encoding='utf-8')

 

http://stackoverflow.com/questions/19872773/unicodedecodeerror-while-using-json-dumps