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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 DbImportEvent(self, argin):
 """ Get event channel info from database :param argin: name of event channel or factory :type: tango.DevString :return: export information e.g. IOR :rtype: tango.DevVarLongStringArray """

        self._log.debug("In DbImportEvent()")
        argin = replace_wildcard(argin.lower())
        return self.db.import_event(argin)