MeterGroup doesn't have a metadata attribute!  But it does have a 'name' attribute, which is set by 'groupby'. #314
MeterGroup doesn't have a metadata attribute!  But it does have a
'name' attribute, which is set by 'groupby'. #314

pauldeng/nilmtk,jaduimstra/nilmtk,HarllanAndrye/nilmtk,nilmtk/nilmtk,josemao/nilmtk,mmottahedi/nilmtk,nilmtk/nilmtk,AlexRobson/nilmtk