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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 get_absolute_url(self):
 """ It returns absolute url defined by node related to this page """

        try:
            node = Node.objects.select_related().filter(page=self)[0]
            return node.get_absolute_url()
        except Exception, e:
            raise ValueError(u"Error in {0}.{1}: {2}".format(self.__module__, self.__class__.__name__, e))
            return u""