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Yuya Nishihara authored
HintException is unrelated to the hierarchy of errors. It is an implementation detail whether a class inherits from HintException or not, a sort of "private inheritance" in C++. New Hint isn't an exception class, which prevents catching error by its type: try: dosomething() except error.Hint: pass Unfortunately, this passes on PyPy 5.3.1, but not on Python 2, and raises more detailed TypeError on Python 3.
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