diff --git a/plutus_bench/protocol_params.py b/plutus_bench/protocol_params.py
index d332d16..9e6e627 100644
--- a/plutus_bench/protocol_params.py
+++ b/plutus_bench/protocol_params.py
@@ -1,6 +1,7 @@
 """
 Default parameters copied from preview testnet
 """
+
 from fractions import Fraction
 
 from pycardano import ProtocolParameters, GenesisParameters