lint fix

p2p/pex/addrbook_test.go

@@ -3,17 +3,18 @@ package pex
 import (
 	"encoding/hex"
 	"fmt"
+	"io/ioutil"
+	"math"
+	"os"
+	"testing"
+	"time"
+
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"github.com/tendermint/tendermint/libs/log"
 	tmmath "github.com/tendermint/tendermint/libs/math"
 	tmrand "github.com/tendermint/tendermint/libs/rand"
 	"github.com/tendermint/tendermint/p2p"
-	"io/ioutil"
-	"math"
-	"os"
-	"testing"
-	"time"
 )
 
 // FIXME These tests should not rely on .(*addrBook) assertions