So I won't forget:
Match user www16
# ChrootDirectory %h
X11Forwarding no
AllowTcpForwarding no
PasswordAuthentication yes
AllowAgentForwarding no
GatewayPorts no
Banner /home/www16/ssh_banner
ForceCommand sudo --preserve-env=SSH_ORIGINAL_COMMAND /home/www16/www16-infrastructure/ssh_entry.py
and:
www16 ALL = (root) NOPASSWD: /home/www16/www16-infrastructure/ssh_entry.py
Defaults env_keep += "SSH_ORIGINAL_COMMAND"