def __init__(self, *args, **kwargs):
        try:
            val = args[3]
        except __HOLE__:
            val = kwargs['releaselevel']
        if val not in ('', 'a', 'alpha', 'b', 'beta'):
            raise ValueError("Release-level must be one of 'a', 'alpha', 'b' or 'beta' but '{}' given".format(val))
        # other values must be numbers
        map(int, [a for a in args if a != args[3]])
        map(int, [a for a in kwargs.values() if a != kwargs['releaselevel']])
dataset/ETHPy150Open Aeronautics/aero/aero/__version__.py/V.__init__