Fixing import libraries

Author: zeroc0d3

src/singleton/main.go

@@ -21,6 +21,7 @@ import (
 	"github.com/olekukonko/tablewriter"
 	"github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
+	yaml "gopkg.in/yaml.v2"
 	v1 "k8s.io/api/apps/v1"
 	corev1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"