Update solver.py
Update solver.py

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