human
Complete the below
def _init_ugly_crap():

    ''''This function implements a few ugly things so that we can patch the
    traceback objects.  The function returned allows resetting `tb_next` on
    any python traceback object.  Do not attempt to use this on non cpython
    interpreters'
    '''
assistant
#Here is the Python program you requested.
    import ctypes
    from types import TracebackType
    if PY2:
        if hasattr(ctypes.pythonapi, 'Py_InitModule4_64'):
            _Py_ssize_t = ctypes.c_int64
        else:
            _Py_ssize_t = ctypes.c_int
    else:
        _Py_ssize_t = ctypes.c_ssize_t
    class _PyObject(ctypes.Structure, ):
        pass
    _PyObject._fields_ = [('ob_refcnt', _Py_ssize_t), ('ob_type', ctypes.POINTER(_PyObject))]
    if hasattr(sys, 'getobjects'):
        class _PyObject(ctypes.Structure, ):
            pass
        _PyObject._fields_ = [('_ob_next', ctypes.POINTER(_PyObject)), ('_ob_prev', ctypes.POINTER(_PyObject)), ('ob_refcnt', _Py_ssize_t), ('ob_type', ctypes.POINTER(_PyObject))]
    class _Traceback(_PyObject, ):
        pass
    _Traceback._fields_ = [('tb_next', ctypes.POINTER(_Traceback)), ('tb_frame', ctypes.POINTER(_PyObject)), ('tb_lasti', ctypes.c_int), ('tb_lineno', ctypes.c_int)]
    def tb_set_next(tb, next):
        'Set    the    tb_next    attribute    of    a    traceback    object.'
        if (not (isinstance(tb, TracebackType) and ((next is None) or isinstance(next, TracebackType)))):
            raise TypeError('tb_set_next    arguments    must    be    traceback    objects')
        obj = _Traceback.from_address(id(tb))
        if (tb.tb_next is not None):
            old = _Traceback.from_address(id(tb.tb_next))
            old.ob_refcnt -= 1
        if (next is None):
            obj.tb_next = ctypes.POINTER(_Traceback)()
        else:
            next = _Traceback.from_address(id(next))
            next.ob_refcnt += 1
            obj.tb_next = ctypes.pointer(next)
    return tb_set_next