derpy.py

import sys

INSTRUCTIONS = "You might want to derp"

def b():
    raise Exception("So far away, we wait for the day ")

def a():
    b()

def deep_exploder():
    a()

def reraiser(cls, new_message, tb):
    if sys.version_info[0] < 3:
        exec("raise cls, new_message, tb")  # It's a syntax error on py3 :(
    raise cls(new_message). with_traceback(tb)

def main():
    try:
        return deep_exploder()
    except Exception as e:
        new_message = "\n".join([str(e), INSTRUCTIONS])
        cls, _, tb = sys.exc_info()
        reraiser(cls, new_message, tb)

if __name__ == "__main__":
    main()