I found an article http://superuser.com/questions/611511/how-to-launch-sshuttle-without-superuser-pwd-prompt, but when I try ps auxwww |grep sud, I get different output:

root      2846  0.0  0.1  79104  4328 pts/0    S+   08:27   0:00 sudo -p [local sudo] Password:  PYTHONPATH=/usr/lib/python3/dist-packages -- /usr/bin/python3 /usr/bin/sshuttle --method auto --firewall

So I tried to replace

/usr/bin/python /usr/share/sshuttle/main.py /usr/bin/python -v --firewall 12300 0

with my case:

PYTHONPATH=/usr/lib/python3/dist-packages -- /usr/bin/python3 /usr/bin/sshuttle --method auto --firewall

When I finished editing,visudo says my grammar is wrong; what's my mistake and how to get the things done?