diff --git a/uniswap_universal_router_decoder/_abi_builder.py b/uniswap_universal_router_decoder/_abi_builder.py
index 5bdb2d8..b791552 100644
--- a/uniswap_universal_router_decoder/_abi_builder.py
+++ b/uniswap_universal_router_decoder/_abi_builder.py
@@ -339,7 +339,6 @@ def _v4_path_key_struct_array_builder() -> FunctionABIBuilder:
         builder.add_address("intermediateCurrency").add_uint24("fee").add_int24("tickSpacing")
         return builder.add_address("hooks").add_bytes("hookData")
 
-
     @staticmethod
     def _build_v4_swap_exact_in() -> FunctionABI:
         builder = FunctionABIBuilder(V4Actions.SWAP_EXACT_IN.name)
@@ -347,7 +346,6 @@ def _build_v4_swap_exact_in() -> FunctionABI:
         builder.add_struct_array(_ABIBuilder._v4_path_key_struct_array_builder())
         return builder.add_uint128("amountIn").add_uint128("amountOutMinimum").build()
 
-
     @staticmethod
     def _build_v4_mint_position_from_deltas() -> FunctionABI:
         builder = FunctionABIBuilder(V4Actions.MINT_POSITION_FROM_DELTAS.name)