fix: pypy branch hack
fix: pypy branch hack

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