monitor command takes no args

rm extra new line

api/agent.go

@@ -244,7 +244,6 @@ type MonitorFrame struct {
 // Monitor returns a channel which will receive streaming logs from the agent
 // Providing a non-nil stopCh can be used to close the connection and stop log streaming
 func (a *Agent) Monitor(stopCh <-chan struct{}, q *QueryOptions) (<-chan *StreamFrame, <-chan error) {
-
 	errCh := make(chan error, 1)
 	r, err := a.client.newRequest("GET", "/v1/agent/monitor")
 	if err != nil {

command/agent/monitor/monitor_test.go

@@ -61,7 +61,6 @@ func TestMonitor_DroppedMessages(t *testing.T) {
 	}
 
 	received := ""
-
 	passed := make(chan struct{})
 	go func() {
 		for {

command/agent_monitor.go

@@ -74,6 +74,13 @@ func (c *MonitorCommand) Run(args []string) int {
 		return 1
 	}
 
+	args = flags.Args()
+	if l := len(args); l != 0 {
+		c.Ui.Error("This command takes no arguments")
+		c.Ui.Error(commandErrorText(c))
+		return 1
+	}
+
 	client, err := c.Meta.Client()
 	if err != nil {
 		c.Ui.Error(fmt.Sprintf("Error initializing client: %s", err))