<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:

def delete_subnet(self, subnet):
        '''
        Deletes the specified subnet
        '''
        subnet_id = self._find_subnet_id(subnet)
        ret = self.network_conn.delete_subnet(subnet=subnet_id)
        return ret if ret else True