diff --git a/utils/math/elliptic_curve_arithmetic.py b/utils/math/elliptic_curve_arithmetic.py
index d999d0a..9d84e56 100644
--- a/utils/math/elliptic_curve_arithmetic.py
+++ b/utils/math/elliptic_curve_arithmetic.py
@@ -1,7 +1,9 @@
 import hashlib
+
+from cryptography.hazmat.backends import default_backend
 from cryptography.hazmat.primitives import serialization
 from cryptography.hazmat.primitives.asymmetric import ec
-from cryptography.hazmat.backends import default_backend
+
 
 class EllipticCurveArithmetic:
     def __init__(self):
@@ -42,4 +44,5 @@ def encode_point(self, point):
         y = format(point.y, "x")
         return f"{x},{y}"
 
+
 ecc = EllipticCurveArithmetic()