file: CultureIndex.sol
    function createPiece ...{
        // ...
        newPiece.totalVotesSupply = _calculateVoteWeight(
            erc20VotingToken.totalSupply(),
-->         erc721VotingToken.totalSupply() //@audit-issue This includes the erc721 token which is currently on auction. No one can use that token to vote on this piece.
        );
        // ...
-->     newPiece.quorumVotes = (quorumVotesBPS * newPiece.totalVotesSupply) / 10_000; //@audit quorum votes will also be higher than it should be.
        // ...
    }
    
    function _calculateVoteWeight(uint256 erc20Balance, uint256 erc721Balance) internal view returns (uint256) {
        return erc20Balance + (erc721Balance * erc721VotingTokenWeight * 1e18);
    }
// Note: You will also need to store auctionHouse contract address
in this contract.
+   address auctionHouse;

    function createPiece () {
    ...

        newPiece.totalVotesSupply = _calculateVoteWeight(
            erc20VotingToken.totalSupply(),
-           erc721VotingToken.totalSupply()
+           // Note: We don't subtract 1 as fixed amount in case of auction house being paused and not having an NFT at that moment. We only subtract if there is an ongoing auction. 
+           erc721VotingToken.totalSupply() - erc721VotingToken.balanceOf(auctionHouse)
        );

    ...
    }
