PERF: items -> six.iteritems
PERF: items -> six.iteritems

NSLS-II/dataportal,ericdill/databroker,danielballan/datamuxer,NSLS-II/datamuxer,ericdill/datamuxer,NSLS-II/dataportal,tacaswell/dataportal,ericdill/datamuxer,danielballan/dataportal,danielballan/dataportal,tacaswell/dataportal,danielballan/datamuxer,ericdill/databroker