[python] fixbug for tiny epoch_size
[python] fixbug for tiny epoch_size

ForkedReposBak/mxnet,jamesliu/mxnet,ykim362/mxnet,piiswrong/mxnet,EvanzzzZ/mxnet,EvanzzzZ/mxnet,pluskid/mxnet,crazy-cat/incubator-mxnet,apaleyes/mxnet,ykim362/mxnet,hotpxl/mxnet,kkk669/mxnet,rishita/mxnet,rahul003/mxnet,precedenceguo/mxnet,madjam/mxnet,jiajiechen/mxnet,Mega-DatA-Lab/mxnet,Guneet-Dhillon/mxnet,hotpxl/mxnet,danithaca/mxnet,Mega-DatA-Lab/mxnet,stefanhenneking/mxnet,kevinthesun/mxnet,wangyum/mxnet,CodingCat/mxnet,weleen/mxnet,DR08/mxnet,leezu/mxnet,reminisce/mxnet,sxjscience/mxnet,formath/mxnet,yajiedesign/mxnet,LinkHS/incubator-mxnet,arank/mxnet,lxn2/mxnet,Prasad9/incubator-mxnet,saurabh3949/mxnet,indhub/mxnet,dmlc/mxnet,reminisce/mxnet,saurabh3949/mxnet,arank/mxnet,vikingMei/mxnet,EvanzzzZ/mxnet,hesseltuinhof/mxnet,ZihengJiang/mxnet,dmlc/mxnet,nicklhy/mxnet,sxjscience/mxnet,rishita/mxnet,yajiedesign/mxnet,hpi-xnor/BMXNet,yajiedesign/mxnet,xcgoner/dist-mxnet,xcgoner/dist-mxnet,precedenceguo/mxnet,yajiedesign/mxnet,Northrend/mxnet,leezu/mxnet,rishita/mxnet,mbaijal/incubator-mxnet,tlby/mxnet,EvanzzzZ/mxnet,reminisce/mxnet,luoyetx/mxnet,arikpoz/mxnet,danithaca/mxnet,jennyzhang0215/incubator-mxnet,lxn2/mxnet,wangyum/mxnet,piiswrong/mxnet,danithaca/mxnet,larroy/mxnet,yajiedesign/mxnet,arikpoz/mxnet,smolix/incubator-mxnet,dmlc/mxnet,solin319/incubator-mxnet,arank/mxnet,tlby/mxnet,sxjscience/mxnet,lxn2/mxnet,ShownX/incubator-mxnet,TuSimple/mxnet,vikingMei/mxnet,danithaca/mxnet,stefanhenneking/mxnet,fullfanta/mxnet,LinkHS/incubator-mxnet,solin319/incubator-mxnet,ptrendx/mxnet,coder-james/mxnet,likelyzhao/mxnet,larroy/mxnet,saurabh3949/mxnet,reminisce/mxnet,DickJC123/mxnet,Prasad9/incubator-mxnet,Northrend/mxnet,mbaijal/incubator-mxnet,wangyum/mxnet,formath/mxnet,pluskid/mxnet,ykim362/mxnet,ZihengJiang/mxnet,stefanhenneking/mxnet,rishita/mxnet,stefanhenneking/mxnet,precedenceguo/mxnet,ZihengJiang/mxnet,jamesliu/mxnet,dmlc/mxnet,ForkedReposBak/mxnet,mbaijal/incubator-mxnet,coder-james/mxnet,Guneet-Dhillon/mxnet,kevinthesun/mxnet,zhreshold/mxnet,ptrendx/mxnet,jiajiechen/mxnet,ForkedReposBak/mxnet,crazy-cat/incubator-mxnet,Northrend/mxnet,apache/incubator-mxnet,yuruofeifei/mxnet,xcgoner/dist-mxnet,TuSimple/mxnet,DR08/mxnet,ZihengJiang/mxnet,ykim362/mxnet,yuruofeifei/mxnet,Northrend/mxnet,madjam/mxnet,precedenceguo/mxnet,apaleyes/mxnet,apache/incubator-mxnet,indhub/mxnet,smolix/incubator-mxnet,dmlc/mxnet,arank/mxnet,formath/mxnet,szha/mxnet,lxn2/mxnet,sergeykolychev/mxnet,tornadomeet/mxnet,arikpoz/mxnet,jennyzhang0215/incubator-mxnet,ptrendx/mxnet,saurabh3949/mxnet,TuSimple/mxnet,jiajiechen/mxnet,hpi-xnor/BMXNet,kevinthesun/mxnet,ShownX/incubator-mxnet,indhub/mxnet,saurabh3949/mxnet,jamesliu/mxnet,kkk669/mxnet,Prasad9/incubator-mxnet,zhreshold/mxnet,dmlc/mxnet,tornadomeet/mxnet,jennyzhang0215/incubator-mxnet,navrasio/mxnet,mbaijal/incubator-mxnet,antoan2/incubator-mxnet,lxn2/mxnet,danithaca/mxnet,sergeykolychev/mxnet,gautamkmr/incubator-mxnet,rishita/mxnet,jiajiechen/mxnet,Ldpe2G/mxnet,LinkHS/incubator-mxnet,jiajiechen/mxnet,coder-james/mxnet,kkk669/mxnet,rahul003/mxnet,sergeykolychev/mxnet,reminisce/mxnet,CodingCat/mxnet,smolix/incubator-mxnet,luoyetx/mxnet,stefanhenneking/mxnet,apaleyes/mxnet,ZihengJiang/mxnet,piiswrong/mxnet,likelyzhao/mxnet,jermainewang/mxnet,danithaca/mxnet,thirdwing/mxnet,LinkHS/incubator-mxnet,tlby/mxnet,eric-haibin-lin/mxnet,coder-james/mxnet,arank/mxnet,larroy/mxnet,arank/mxnet,szha/mxnet,indhub/mxnet,DR08/mxnet,LinkHS/incubator-mxnet,formath/mxnet,apaleyes/mxnet,ShownX/incubator-mxnet,weleen/mxnet,tlby/mxnet,ykim362/mxnet,sergeykolychev/mxnet,ShownX/incubator-mxnet,EvanzzzZ/mxnet,hesseltuinhof/mxnet,Ldpe2G/mxnet,Guneet-Dhillon/mxnet,vikingMei/mxnet,weleen/mxnet,kevinthesun/mxnet,ForkedReposBak/mxnet,rishita/mxnet,jamesliu/mxnet,dmlc/mxnet,weleen/mxnet,crazy-cat/incubator-mxnet,precedenceguo/mxnet,navrasio/mxnet,arikpoz/mxnet,madjam/mxnet,fullfanta/mxnet,LinkHS/incubator-mxnet,Prasad9/incubator-mxnet,arikpoz/mxnet,arank/mxnet,thirdwing/mxnet,LinkHS/incubator-mxnet,ShownX/incubator-mxnet,crazy-cat/incubator-mxnet,coder-james/mxnet,piiswrong/mxnet,larroy/mxnet,gautamkmr/incubator-mxnet,yuruofeifei/mxnet,smolix/incubator-mxnet,hpi-xnor/BMXNet,sergeykolychev/mxnet,weleen/mxnet,navrasio/mxnet,solin319/incubator-mxnet,sxjscience/mxnet,rahul003/mxnet,tlby/mxnet,hesseltuinhof/mxnet,arikpoz/mxnet,formath/mxnet,antoan2/incubator-mxnet,saurabh3949/mxnet,eric-haibin-lin/mxnet,thirdwing/mxnet,tlby/mxnet,jiajiechen/mxnet,navrasio/mxnet,hpi-xnor/BMXNet,ptrendx/mxnet,larroy/mxnet,mbaijal/incubator-mxnet,hpi-xnor/BMXNet,jermainewang/mxnet,stefanhenneking/mxnet,TuSimple/mxnet,solin319/incubator-mxnet,nicklhy/mxnet,gautamkmr/incubator-mxnet,jamesliu/mxnet,Prasad9/incubator-mxnet,Northrend/mxnet,ykim362/mxnet,arikpoz/mxnet,Mega-DatA-Lab/mxnet,szha/mxnet,ptrendx/mxnet,zhreshold/mxnet,indhub/mxnet,LinkHS/incubator-mxnet,nicklhy/mxnet,ShownX/incubator-mxnet,CodingCat/mxnet,thirdwing/mxnet,Ldpe2G/mxnet,CodingCat/mxnet,nicklhy/mxnet,hotpxl/mxnet,formath/mxnet,vikingMei/mxnet,ykim362/mxnet,kevinthesun/mxnet,mbaijal/incubator-mxnet,pluskid/mxnet,xcgoner/dist-mxnet,DR08/mxnet,jamesliu/mxnet,solin319/incubator-mxnet,likelyzhao/mxnet,TuSimple/mxnet,wangyum/mxnet,ptrendx/mxnet,piiswrong/mxnet,formath/mxnet,saurabh3949/mxnet,gautamkmr/incubator-mxnet,Northrend/mxnet,ForkedReposBak/mxnet,leezu/mxnet,EvanzzzZ/mxnet,sxjscience/mxnet,jiajiechen/mxnet,likelyzhao/mxnet,fullfanta/mxnet,Mega-DatA-Lab/mxnet,apaleyes/mxnet,kkk669/mxnet,hesseltuinhof/mxnet,LinkHS/incubator-mxnet,antoan2/incubator-mxnet,smolix/incubator-mxnet,antoan2/incubator-mxnet,hesseltuinhof/mxnet,hpi-xnor/BMXNet,szha/mxnet,Prasad9/incubator-mxnet,zhreshold/mxnet,leezu/mxnet,kevinthesun/mxnet,fullfanta/mxnet,arikpoz/mxnet,DickJC123/mxnet,hpi-xnor/BMXNet,piiswrong/mxnet,indhub/mxnet,vikingMei/mxnet,leezu/mxnet,jennyzhang0215/incubator-mxnet,crazy-cat/incubator-mxnet,jennyzhang0215/incubator-mxnet,ForkedReposBak/mxnet,reminisce/mxnet,nicklhy/mxnet,jiajiechen/mxnet,apaleyes/mxnet,solin319/incubator-mxnet,eric-haibin-lin/mxnet,larroy/mxnet,larroy/mxnet,DR08/mxnet,mbaijal/incubator-mxnet,smolix/incubator-mxnet,TuSimple/mxnet,ForkedReposBak/mxnet,rahul003/mxnet,Prasad9/incubator-mxnet,fullfanta/mxnet,ShownX/incubator-mxnet,xcgoner/dist-mxnet,szha/mxnet,arank/mxnet,mbaijal/incubator-mxnet,rahul003/mxnet,thirdwing/mxnet,hotpxl/mxnet,gautamkmr/incubator-mxnet,Mega-DatA-Lab/mxnet,pluskid/mxnet,stefanhenneking/mxnet,apache/incubator-mxnet,precedenceguo/mxnet,antoan2/incubator-mxnet,indhub/mxnet,lxn2/mxnet,luoyetx/mxnet,apaleyes/mxnet,madjam/mxnet,ZihengJiang/mxnet,ZihengJiang/mxnet,jennyzhang0215/incubator-mxnet,tornadomeet/mxnet,tlby/mxnet,formath/mxnet,CodingCat/mxnet,dmlc/mxnet,ptrendx/mxnet,wangyum/mxnet,kevinthesun/mxnet,zhreshold/mxnet,coder-james/mxnet,hotpxl/mxnet,Ldpe2G/mxnet,dmlc/mxnet,eric-haibin-lin/mxnet,saurabh3949/mxnet,rahul003/mxnet,TuSimple/mxnet,likelyzhao/mxnet,xcgoner/dist-mxnet,madjam/mxnet,weleen/mxnet,Northrend/mxnet,zhreshold/mxnet,fullfanta/mxnet,Guneet-Dhillon/mxnet,jennyzhang0215/incubator-mxnet,wangyum/mxnet,tornadomeet/mxnet,likelyzhao/mxnet,kevinthesun/mxnet,ykim362/mxnet,ptrendx/mxnet,leezu/mxnet,Guneet-Dhillon/mxnet,DR08/mxnet,jamesliu/mxnet,yuruofeifei/mxnet,szha/mxnet,reminisce/mxnet,crazy-cat/incubator-mxnet,kkk669/mxnet,nicklhy/mxnet,gautamkmr/incubator-mxnet,tlby/mxnet,jermainewang/mxnet,gautamkmr/incubator-mxnet,Ldpe2G/mxnet,tornadomeet/mxnet,luoyetx/mxnet,reminisce/mxnet,CodingCat/mxnet,ykim362/mxnet,tlby/mxnet,yuruofeifei/mxnet,CodingCat/mxnet,Prasad9/incubator-mxnet,apache/incubator-mxnet,kkk669/mxnet,tornadomeet/mxnet,CodingCat/mxnet,antoan2/incubator-mxnet,gautamkmr/incubator-mxnet,fullfanta/mxnet,danithaca/mxnet,crazy-cat/incubator-mxnet,ShownX/incubator-mxnet,yajiedesign/mxnet,vikingMei/mxnet,wangyum/mxnet,madjam/mxnet,sergeykolychev/mxnet,stefanhenneking/mxnet,pluskid/mxnet,luoyetx/mxnet,EvanzzzZ/mxnet,sergeykolychev/mxnet,jermainewang/mxnet,Guneet-Dhillon/mxnet,crazy-cat/incubator-mxnet,indhub/mxnet,Mega-DatA-Lab/mxnet,eric-haibin-lin/mxnet,apaleyes/mxnet,piiswrong/mxnet,Guneet-Dhillon/mxnet,EvanzzzZ/mxnet,yuruofeifei/mxnet,sxjscience/mxnet,apaleyes/mxnet,jermainewang/mxnet,crazy-cat/incubator-mxnet,gautamkmr/incubator-mxnet,jennyzhang0215/incubator-mxnet,luoyetx/mxnet,Ldpe2G/mxnet,lxn2/mxnet,nicklhy/mxnet,yajiedesign/mxnet,formath/mxnet,jermainewang/mxnet,navrasio/mxnet,mbaijal/incubator-mxnet,DickJC123/mxnet,TuSimple/mxnet,kkk669/mxnet,yuruofeifei/mxnet,TuSimple/mxnet,antoan2/incubator-mxnet,hpi-xnor/BMXNet,navrasio/mxnet,DR08/mxnet,vikingMei/mxnet,solin319/incubator-mxnet,EvanzzzZ/mxnet,yajiedesign/mxnet,Ldpe2G/mxnet,ZihengJiang/mxnet,xcgoner/dist-mxnet,Ldpe2G/mxnet,vikingMei/mxnet,lxn2/mxnet,precedenceguo/mxnet,luoyetx/mxnet,jermainewang/mxnet,madjam/mxnet,coder-james/mxnet,smolix/incubator-mxnet,ForkedReposBak/mxnet,hotpxl/mxnet,pluskid/mxnet,Mega-DatA-Lab/mxnet,zhreshold/mxnet,DickJC123/mxnet,thirdwing/mxnet,madjam/mxnet,larroy/mxnet,sergeykolychev/mxnet,hpi-xnor/BMXNet,jermainewang/mxnet,precedenceguo/mxnet,antoan2/incubator-mxnet,ptrendx/mxnet,coder-james/mxnet,eric-haibin-lin/mxnet,xcgoner/dist-mxnet,ZihengJiang/mxnet,jamesliu/mxnet,thirdwing/mxnet,lxn2/mxnet,tornadomeet/mxnet,vikingMei/mxnet,szha/mxnet,wangyum/mxnet,pluskid/mxnet,hesseltuinhof/mxnet,rahul003/mxnet,rahul003/mxnet,eric-haibin-lin/mxnet,likelyzhao/mxnet,arank/mxnet,stefanhenneking/mxnet,luoyetx/mxnet,reminisce/mxnet,coder-james/mxnet,reminisce/mxnet,Ldpe2G/mxnet,hesseltuinhof/mxnet,madjam/mxnet,Guneet-Dhillon/mxnet,hotpxl/mxnet,leezu/mxnet,sxjscience/mxnet,jiajiechen/mxnet,Guneet-Dhillon/mxnet,tornadomeet/mxnet,larroy/mxnet,sxjscience/mxnet,eric-haibin-lin/mxnet,sxjscience/mxnet,navrasio/mxnet,antoan2/incubator-mxnet,fullfanta/mxnet,smolix/incubator-mxnet,solin319/incubator-mxnet,zhreshold/mxnet,yuruofeifei/mxnet,ForkedReposBak/mxnet,piiswrong/mxnet,weleen/mxnet,precedenceguo/mxnet,pluskid/mxnet,luoyetx/mxnet,danithaca/mxnet,sergeykolychev/mxnet,tlby/mxnet,thirdwing/mxnet,hotpxl/mxnet,hesseltuinhof/mxnet,hesseltuinhof/mxnet,weleen/mxnet,leezu/mxnet,zhreshold/mxnet,smolix/incubator-mxnet,hotpxl/mxnet,xcgoner/dist-mxnet,arikpoz/mxnet,ShownX/incubator-mxnet,thirdwing/mxnet,DR08/mxnet,Northrend/mxnet,navrasio/mxnet,kkk669/mxnet,likelyzhao/mxnet,tornadomeet/mxnet,jermainewang/mxnet,nicklhy/mxnet,rishita/mxnet,weleen/mxnet,DR08/mxnet,piiswrong/mxnet,navrasio/mxnet,TuSimple/mxnet,rahul003/mxnet,Prasad9/incubator-mxnet,yuruofeifei/mxnet,rishita/mxnet,danithaca/mxnet,rishita/mxnet,indhub/mxnet,kevinthesun/mxnet,leezu/mxnet,kkk669/mxnet,ptrendx/mxnet,CodingCat/mxnet,Mega-DatA-Lab/mxnet,Northrend/mxnet,yajiedesign/mxnet,solin319/incubator-mxnet,eric-haibin-lin/mxnet,likelyzhao/mxnet,jennyzhang0215/incubator-mxnet,nicklhy/mxnet,szha/mxnet,saurabh3949/mxnet,jamesliu/mxnet,szha/mxnet,fullfanta/mxnet,pluskid/mxnet,wangyum/mxnet,Mega-DatA-Lab/mxnet