fix: key comprehension bug
fix: key comprehension bug

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