Failed to install yunohost manually on Debian Stretch fresh install

My YunoHost server

Hardware: Old laptop
YunoHost version: x.x.x (latest version from https://install.yunohost.org/)
Are you in a special context or did you perform some particular tweaking on your YunoHost instance ? : no

Nginx failed to start during install

Logs from nginx says:

unexpected  "{"  in /etc/nginx/conf.d/yunohost_admin.conf:23

It refers to:

{% if compatibility == "modern"  %}

I push a fixed in 3.5.2.1 so it should now be working again. Sorry for the inconvenience :wink: