[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

ciphers/hill_cipher.py

@@ -145,7 +145,7 @@ def check_determinant(self) -> None:
             ValueError: determinant modular 36 of encryption key(0) is not co prime
             w.r.t 36. Try another key.
         """
-        
+
         det = round(np.linalg.det(self.encrypt_key))
 
         if det < 0:
@@ -271,7 +271,7 @@ def make_decrypt_key(self) -> np.ndarray:
             ValueError: determinant modular 36 of encryption key(0) is not co prime
             w.r.t 36. Try another key.
         """
-        
+
         det = round(np.linalg.det(self.encrypt_key))
 
         if det < 0: