Variable not getting populated when using join query

I have this query set in my template and its not populating my variable list in grafana dashboard

nodes.jsonnet
// variable is not getting populated: Has Bug: Add mlsrn Nodes nmspc as variable

.addTemplate(templates.get_cpu_node_nmspc_tpl(varName=“namespace”))

lib/template.tpl
// List all namespaces on nodes
get_cpu_node_nmspc_tpl(varName):: template.new(
varName,
‘$PROMETHEUS_DS’,
‘label_values(sum(kube_node_labels{label_team_ai=“services”} *on (node) group_right kube_pod_info *on (namespace, pod) kube_pod_status_phase{phase=“Running”} ) by (namespace), namespace)’,
includeAll=true,
multi=true,
refresh=‘load’,
),