Get rid of dict comprehensions in migrator
Get rid of dict comprehensions in migrator

need to work on python 2.6

timofey-barmin/mzbench,machinezone/mzbench,machinezone/mzbench,machinezone/mzbench,timofey-barmin/mzbench,timofey-barmin/mzbench,machinezone/mzbench,timofey-barmin/mzbench,MrAlone/mzbench,MrAlone/mzbench,MrAlone/mzbench,machinezone/mzbench,MrAlone/mzbench,MrAlone/mzbench,timofey-barmin/mzbench