fix: cb log
fix: cb log

vaporry/pyethereum,ddworken/pyethereum,shahankhatch/pyethereum,shahankhatch/pyethereum,inzem77/pyethereum,ethereum/pyethereum,karlfloersch/pyethereum,pipermerriam/pyethereum,holiman/pyethereum,harlantwood/pyethereum,karlfloersch/pyethereum,ckeenan/pyethereum,pipermerriam/pyethereum,ethermarket/pyethereum,ethereum/pyethereum