Create a copy of this security group in another region.
        Note that the new security group will be a separate entity
        and will not stay in sync automatically after the copy
        operation.

        :type region: :class:`boto.ec2.regioninfo.RegionInfo`
        :param region: The region to which this security group will be copied.

        :type name: string
        :param name: The name of the copy.  If not supplied, the copy
                     will have the same name as this security group.
        
        :rtype: :class:`boto.ec2.securitygroup.SecurityGroup`
        :return: The new security group.

def copy_to_region(self, region, name=None):
        """
        Create a copy of this security group in another region.
        Note that the new security group will be a separate entity
        and will not stay in sync automatically after the copy
        operation.

        :type region: :class:`boto.ec2.regioninfo.RegionInfo`
        :param region: The region to which this security group will be copied.

        :type name: string
        :param name: The name of the copy.  If not supplied, the copy
                     will have the same name as this security group.
        
        :rtype: :class:`boto.ec2.securitygroup.SecurityGroup`
        :return: The new security group.
        """
        if region.name == self.region:
            raise BotoClientError('Unable to copy to the same Region')
        conn_params = self.connection.get_params()
        rconn = region.connect(**conn_params)
        sg = rconn.create_security_group(name or self.name, self.description)
        source_groups = []
        for rule in self.rules:
            for grant in rule.grants:
                if grant.name:
                    if grant.name not in source_groups:
                        source_groups.append(grant.name)
                        sg.authorize(None, None, None, None, grant)
                else:
                    sg.authorize(rule.ip_protocol, rule.from_port, rule.to_port,
                                 grant.cidr_ip)
        return sg