Because more tests won't hurt. :) Add a test case for https://github.com/ethereum/py-evm/pull/1224#issuecomment-418775512 where if contract creation fails, old storage values (if ever existed) should re-appear.
Because more tests won't hurt. :) Add a test case for https://github.com/ethereum/py-evm/pull/1224#issuecomment-418775512 where if contract creation fails, old storage values (if ever existed) should re-appear.