stack/resilient: Be python3 friendly

stack/resilient/buildout.hash.cfg

@@ -30,7 +30,7 @@ md5sum = 44a3166048a81d0d76d69527b1934ef7
 
 [template-replicated]
 filename = template-replicated.cfg.in
-md5sum = c4012ccc2c473ae5c7cad9dcac61e0f1
+md5sum = 055f2f16f7e02bfea67d5cebf9a444a6
 
 [template-parts]
 filename = template-parts.cfg.in

stack/resilient/template-replicated.cfg.in

@@ -6,7 +6,7 @@
 {% set monitor_url_list = [] -%}
 # prepare sla-parameters
 {% if slapparameter_dict is defined -%}
-{%   for key in slapparameter_dict.keys() -%}
+{%   for key in list(slapparameter_dict.keys()) -%}
 {%     if key.startswith('-sla-') -%}
 {%       do sla_parameter_dict.__setitem__(key, slapparameter_dict.pop(key)) -%}
 {%     endif -%}