SyntaxError: Non-ASCII character '\xe4' in file server.py on line 2, but no encoding declared; see http://www.python.org/peps/pep-0263.html for details
解决办法，在有中文的python文件首行加入 #coding=utf-8
问题解决。
来源：oschina
链接：https://my.oschina.net/u/272337/blog/489763