make format everything (#743)

lnbits/core/models.py

@@ -1,15 +1,15 @@
-import json
-import hmac
 import hashlib
-from lnbits.helpers import url_for
+import hmac
+import json
+from sqlite3 import Row
+from typing import Dict, List, NamedTuple, Optional
+
 from ecdsa import SECP256k1, SigningKey  # type: ignore
 from lnurl import encode as lnurl_encode  # type: ignore
-from typing import List, NamedTuple, Optional, Dict
-from sqlite3 import Row
+from loguru import logger
 from pydantic import BaseModel
 
-from loguru import logger
-
+from lnbits.helpers import url_for
 from lnbits.settings import WALLET