multi: fix linter errors

autopilot/graph.go

@@ -3,6 +3,7 @@ package autopilot
 import (
 	"bytes"
 	"encoding/hex"
+	"errors"
 	"net"
 	"sort"
 	"sync/atomic"
@@ -134,7 +135,9 @@ func (d *dbNode) ForEachChannel(cb func(ChannelEdge) error) error {
 //
 // NOTE: Part of the autopilot.ChannelGraph interface.
 func (d *databaseChannelGraph) ForEachNode(cb func(Node) error) error {
-	return d.db.ForEachNode(func(tx kvdb.RTx, n *models.LightningNode) error {
+	return d.db.ForEachNode(func(tx kvdb.RTx,
+		n *models.LightningNode) error {
+
 		// We'll skip over any node that doesn't have any advertised
 		// addresses. As we won't be able to reach them to actually
 		// open any channels.
@@ -168,9 +171,9 @@ func (d *databaseChannelGraph) addRandChannel(node1, node2 *btcec.PublicKey,
 
 			dbNode, err := d.db.FetchLightningNode(vertex)
 			switch {
-			case err == graphdb.ErrGraphNodeNotFound:
+			case errors.Is(err, graphdb.ErrGraphNodeNotFound):
 				fallthrough
-			case err == graphdb.ErrGraphNotFound:
+			case errors.Is(err, graphdb.ErrGraphNotFound):
 				graphNode := &models.LightningNode{
 					HaveNodeAnnouncement: true,
 					Addresses: []net.Addr{