diff --git a/crypto/tests/test_wycheproof.py b/crypto/tests/test_wycheproof.py
index c449b29c8..96edf3558 100755
--- a/crypto/tests/test_wycheproof.py
+++ b/crypto/tests/test_wycheproof.py
@@ -5,6 +5,7 @@ import os
 from binascii import hexlify, unhexlify
 
 import pytest
+
 from pyasn1.codec.ber.decoder import decode as ber_decode
 from pyasn1.codec.der.decoder import decode as der_decode
 from pyasn1.codec.der.encoder import encode as der_encode