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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 explorev2(self, datasource_type, datasource_id):
 """Deprecated endpoint, here for backward compatibility of urls"""

        return redirect(url_for(
            'Superset.explore',
            datasource_type=datasource_type,
            datasource_id=datasource_id,
            **request.args))