class bproto_Error(Exception): def __init__(self, message): self.message = message class bproto_PackageError(bproto_Error): pass class bproto_PackageErrorInvalidSize(bproto_PackageError): pass class bproto_PackageErrorInvalidMessageID(bproto_PackageError): pass class bproto_PackageErrorInvalidCRC(bproto_PackageError): pass