diff --git a/core/algorithms/quantum_resistant_crypto.py b/core/algorithms/quantum_resistant_crypto.py
index ee80722..f0aac76 100644
--- a/core/algorithms/quantum_resistant_crypto.py
+++ b/core/algorithms/quantum_resistant_crypto.py
@@ -3,6 +3,7 @@
 import numpy as np
 from scipy.linalg import qr
 
+
 class NTRUCryptosystem:
     def __init__(self, n, q, p, d):
         """
@@ -28,7 +29,7 @@ def keygen(self):
         f = self.poly_ring.random_element()
         g = self.poly_ring.random_element()
         F = f * g % self.q
-        h = F * g^-1 % self.q
+        h = F * g ^ -1 % self.q
         public_key = h
         private_key = (f, g)
         return public_key, private_key
@@ -55,10 +56,11 @@ def decrypt(self, ciphertext, private_key):
         :return: Decrypted message
         """
         f, g = private_key
-        a = ciphertext * f^-1 % self.q
+        a = ciphertext * f ^ -1 % self.q
         b = a * g % self.q
         return b
 
+
 class PolynomialRing:
     def __init__(self, n, d):
         """
@@ -121,6 +123,7 @@ def __truediv__(self, a, b):
         q, r = qr(a.c, b.c)
         return np.poly1d(q)
 
+
 def main():
     n = 512
     q = 2048
@@ -140,5 +143,6 @@ def main():
     print("Ciphertext:", ciphertext)
     print("Decrypted Message:", decrypted_message)
 
+
 if __name__ == "__main__":
     main()