Drule.get returns empty dchecks list, while there is an ICMP Ping check defined in that rule.

JSON query
{
"params" : {
"filter" :

{ "name" : [ "???? 10.1.1.0/24" ] }

,
"output" : "extend",
"selectDChecks" : "extend"
},
"auth" : "23df0748c4e89204014830e343e707ab",
"jsonrpc" : "2.0",
"method" : "drule.get",
"id" : 7
}

JSON reply
[

{ "nextcheck" : "0", "iprange" : "10.1.1.0/24", "druleid" : "7", "proxy_hostid" : "0", "status" : "0", "delay" : "300", "name" : "???? 10.1.1.0/24", "dchecks" : [], "unique_dcheckid" : "0" }

]