def split_message(self):
        """Get a split version of the commit message.

        This will return a tuple of (summary, message). If the commit message
        is only a single line, both will be that line.
        """
        message = self.message
        parts = message.split('\n', 1)
        summary = parts[0]
        try:
            message = parts[1]
        except __HOLE__:
            # If the description is only one line long, pass through--'message'
            # will still be set to what we got from get_change, and will show
            # up as being the same thing as the summary.
            pass

        return summary, message
dataset/ETHPy150Open reviewboard/reviewboard/reviewboard/scmtools/core.py/Commit.split_message