mock sets up three pools including a stablecoin pair pool and a pool with native wrapper token

src/PartyPool.sol

@@ -291,8 +291,6 @@ contract PartyPool is PartyPoolBase, ERC20External, IPartyPool {
             uint256 feeUint
         )
     {
-        uint256 n = _tokens.length;
-
         // Estimate max net input (fee on gross rounded up, then subtract)
         (, uint256 netUintForSwap) = _computeFee(maxAmountIn, SWAP_FEE_PPM);