diff --git a/cashu/mint/crud.py b/cashu/mint/crud.py
index 3d4c99d..0e6cd38 100644
--- a/cashu/mint/crud.py
+++ b/cashu/mint/crud.py
@@ -1,4 +1,4 @@
-from typing import Optional, List, Any
+from typing import Any, List, Optional
 
 from cashu.core.base import Invoice, MintKeyset, Proof
 from cashu.core.db import Connection, Database
diff --git a/cashu/mint/router.py b/cashu/mint/router.py
index 1ade005..2845850 100644
--- a/cashu/mint/router.py
+++ b/cashu/mint/router.py
@@ -1,9 +1,10 @@
-from typing import Union, List, Dict
+from typing import Dict, List, Union
 
 from fastapi import APIRouter
 from secp256k1 import PublicKey
 
 from cashu.core.base import (
+    BlindedSignature,
     CheckFeesRequest,
     CheckFeesResponse,
     CheckRequest,
@@ -13,7 +14,6 @@ from cashu.core.base import (
     MintRequest,
     PostSplitResponse,
     SplitRequest,
-    BlindedSignature,
 )
 from cashu.core.errors import CashuError
 from cashu.mint import ledger
diff --git a/tests/test_wallet.py b/tests/test_wallet.py
index 74ac8ff..087ca9f 100644
--- a/tests/test_wallet.py
+++ b/tests/test_wallet.py
@@ -1,9 +1,9 @@
 import time
+from typing import List
 
 import pytest
 import pytest_asyncio
 
-from typing import List
 from cashu.core.base import Proof
 from cashu.core.helpers import async_unwrap, sum_proofs
 from cashu.core.migrations import migrate_databases