Change error to warning in python script when failing to get rank of ropt poly
Change error to warning in python script when failing to get rank of ropt poly

mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs