def unexpectedException(self):
    """i will raise an unexpected exception...
    ... *CAUSE THAT'S THE KINDA GUY I AM*

    >>> 1/0
    """
i will raise an unexpected exception...
    ... *CAUSE THAT'S THE KINDA GUY I AM*

    >>> 1/0
    
stackoverflow/venv/lib/python3.6/site-packages/twisted/trial/test/erroneous.py