(trivial) fix some import orders

1. stdlib
2. 3rd-party
3. internal

(as in PEP-8)

electrum/descriptor.py

@@ -14,18 +14,8 @@
 # TODO impl ADDR descriptors
 # TODO impl RAW descriptors
 
-import enum
-
-from .bip32 import convert_bip32_strpath_to_intpath, BIP32Node, KeyOriginInfo, BIP32_PRIME
-from . import bitcoin
-from .bitcoin import construct_script, opcodes, construct_witness
-from . import constants
-from .crypto import hash_160, sha256
-from . import ecc
-from . import segwit_addr
-from .util import bfh
-
 from binascii import unhexlify
+import enum
 from enum import Enum
 from typing import (
     List,
@@ -37,6 +27,14 @@ from typing import (
     Set,
 )
 
+from .bip32 import convert_bip32_strpath_to_intpath, BIP32Node, KeyOriginInfo, BIP32_PRIME
+from . import bitcoin
+from .bitcoin import construct_script, opcodes, construct_witness
+from . import constants
+from .crypto import hash_160, sha256
+from . import ecc
+from . import segwit_addr
+
 
 MAX_TAPROOT_NODES = 128
 

electrum/lnrouter.py

@@ -29,9 +29,10 @@ from typing import Sequence, Tuple, Optional, Dict, TYPE_CHECKING, Set
 import time
 import threading
 from threading import RLock
-import attr
 from math import inf
 
+import attr
+
 from .util import profiler, with_lock
 from .logging import Logger
 from .lnutil import (NUM_MAX_EDGES_IN_PAYMENT_PATH, ShortChannelID, LnFeatures,