trivial clean-up (typing/imports)

electrum/lnworker.py

@@ -7,7 +7,7 @@ import os
 from decimal import Decimal
 import random
 import time
-from typing import Optional, Sequence, Tuple, List, Dict, TYPE_CHECKING
+from typing import Optional, Sequence, Tuple, List, Dict, TYPE_CHECKING, NamedTuple
 import threading
 import socket
 import json
@@ -106,8 +106,6 @@ FALLBACK_NODE_LIST_MAINNET = [
 ]
 
 
-from typing import NamedTuple
-
 class PaymentInfo(NamedTuple):
     payment_hash: bytes
     amount: int