[issue2402] get rid of warnings in regrtest with -3

[Benjamin Peterson]

Benjamin Peterson <musiccomposition at gmail.com> added the comment:

I made a little decorator which silences py3k warnings. It could be
useful for test.test_support.

def silence_py3k(func):
    def decorator(*args, **kwargs):
        warnings.simplefilter("ignore", warnings.DeprecationWarning)
        func(*args, **kwargs)
        warnings.simplefilter("default", warnings.DeprecationWarning)
    if sys.flags_py3kwarning:
        return decorator
    else:
        return func

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