diff --git a/aiogram/utils/web_app_signature.py b/aiogram/utils/web_app_signature.py
index 623cc802..038026c3 100644
--- a/aiogram/utils/web_app_signature.py
+++ b/aiogram/utils/web_app_signature.py
@@ -2,10 +2,10 @@ import base64
 from operator import itemgetter
 from urllib.parse import parse_qsl
 
-from cryptography.hazmat.primitives.asymmetric.ed25519 import Ed25519PublicKey
 from cryptography.exceptions import InvalidSignature
+from cryptography.hazmat.primitives.asymmetric.ed25519 import Ed25519PublicKey
 
-from .web_app import parse_webapp_init_data, WebAppInitData
+from .web_app import WebAppInitData, parse_webapp_init_data
 
 PRODUCTION_PUBLIC_KEY = bytes.fromhex(
     "e7bf03a2fa4602af4580703d88dda5bb59f32ed8b02a56c187fe7d34caed242d"
diff --git a/tests/test_utils/test_web_app_signature.py b/tests/test_utils/test_web_app_signature.py
index e8fbba71..247fc32e 100644
--- a/tests/test_utils/test_web_app_signature.py
+++ b/tests/test_utils/test_web_app_signature.py
@@ -60,4 +60,4 @@ class TestWebAppSignature:
                 42,
                 "auth_date=1650385342&user=%7B%22id%22%3A42%2C%22first_name%22%3A%22Test%22%7D&query_id=test&hash=123&signature=JQ0JR2tjC65yq_jNZV0wuJVX6J-SWPMV0mprUXG34g-NvxL4RcF1Rz5n4VVo00VRghEUBf5t___uoeb1-j1U_w",
                 PUBLIC_KEY,
-            )
\ No newline at end of file
+            )