diff --git a/blockchain_integration/tests/security_audit.py b/blockchain_integration/tests/security_audit.py
index 780ec48d3..d5a7e430f 100644
--- a/blockchain_integration/tests/security_audit.py
+++ b/blockchain_integration/tests/security_audit.py
@@ -1,6 +1,8 @@
 import unittest
+
 from pi_network.pi_network_core import PiNetworkCore
 
+
 class SecurityAudit(unittest.TestCase):
     def test_transaction_validation(self):
         # Implement security audit test cases