"""
        This doctest succeeds.
        >>> print "[0 1]"
        [0 1]

        These doctests fail with message: Expected: [0 1] Got: '[0 1]'
        >>> import numpy
        >>> numpy.array2string(numpy.arange(2))
        [0 1]
        >>> numpy.array2string(numpy.arange(2)) #doctest: +NORMALIZE_WHITESPACE
        [0 1]
"""

def _test():
    import doctest
    doctest.testmod()

if __name__ == "__main__":
    _test()