add return statement
add return statement

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