def _merge_cluster(old, new):
logger.debug("<STR_LIT>" % (old.id, new.id))<EOL>logger.debug("<STR_LIT>" % old.loci2seq.keys())<EOL>for idl in old.loci2seq:<EOL><INDENT>new.add_id_member(old.loci2seq[idl], idl)<EOL><DEDENT>return new<EOL>
merge one cluster to another