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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def sanity_check_wirevector(self, w):
 """ Check that w is a valid wirevector type. """

        from .wire import WireVector
        if not isinstance(w, WireVector):
            raise PyrtlError(
                'error attempting to pass an input of type "%s" '
                'instead of WireVector' % type(w))