def get_block_count(self):
        return (len(self.data) / 512) + 1
Replace the keyed message; raise KeyError if it doesn't exist.
dataset/ETHPy150Open dropbox/emmer/emmer/response_router.py/ReadBuffer.get_block_count--crossover with--dataset/ETHPy150Open babble/babble/include/jython/Lib/mailbox.py/Maildir.__setitem__