ENG-13517: Fix python date writing bug
ENG-13517: Fix python date writing bug

simonzhangsm/voltdb,VoltDB/voltdb,VoltDB/voltdb,simonzhangsm/voltdb,simonzhangsm/voltdb,VoltDB/voltdb,simonzhangsm/voltdb,VoltDB/voltdb,VoltDB/voltdb,simonzhangsm/voltdb,simonzhangsm/voltdb,simonzhangsm/voltdb,VoltDB/voltdb,VoltDB/voltdb,simonzhangsm/voltdb