Update solver.py
Update solver.py

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