eth/syncer: fix lint

Author: rjl493456442

eth/syncer/syncer.go

@@ -19,13 +19,13 @@ package syncer
 import (
 	"errors"
 	"fmt"
-	"github.com/ethereum/go-ethereum/eth/ethconfig"
 	"sync"
 	"time"
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/eth"
+	"github.com/ethereum/go-ethereum/eth/ethconfig"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/node"
 	"github.com/ethereum/go-ethereum/rpc"