{% for network in ([ networks|default([]) ] +
[ private_networks|default([]) ] +
[ service_networks|default([]) ])|flatten %}
In my test case, networks was a string, private_networks a list, and service_networks wasn't defined.
{% for network in ([ networks|default([]) ] +
[ private_networks|default([]) ] +
[ service_networks|default([]) ])|flatten %}
In my test case, networks was a string, private_networks a list, and service_networks wasn't defined.