id,summary,status,owner,type,priority,component
99,remove unused variable,new,xi,defect,low,pyyaml
98,(minor) improve code readability,new,xi,enhancement,low,pyyaml
100,remove unused variable in scaner.scan_plain_spaces(),new,xi,enhancement,low,pyyaml
131,remove unused 'line' variable from emitter,new,xi,enhancement,low,pyyaml