Fail to load
python
Python 2.7.9 (default, Sep 25 2018, 20:42:16) [GCC 4.9.2] on linux2 Type "help", "copyright", "credits" or "license" for more information.
import nbxmpp Traceback (most recent call last): File "", line 1, in File "nbxmpp/init.py", line 12, in from . import simplexml, protocol, auth, transports_nb, roster_nb File "nbxmpp/auth.py", line 1 SyntaxError: Non-ASCII character '\xc3' in file nbxmpp/auth.py on line 1, but no encoding declared; see http://python.org/dev/peps/pep-0263/ for details