fix diagnose if hashtag not found. (#8346)
fix diagnose if hashtag not found. (#8346)


yuruofeifei/mxnet,ptrendx/mxnet,formath/mxnet,fullfanta/mxnet,luoyetx/mxnet,weleen/mxnet,eric-haibin-lin/mxnet,ptrendx/mxnet,jennyzhang0215/incubator-mxnet,yajiedesign/mxnet,solin319/incubator-mxnet,hpi-xnor/BMXNet,luoyetx/mxnet,dmlc/mxnet,indhub/mxnet,apache/incubator-mxnet,kkk669/mxnet,hpi-xnor/BMXNet,eric-haibin-lin/mxnet,reminisce/mxnet,rahul003/mxnet,Northrend/mxnet,TuSimple/mxnet,Northrend/mxnet,ptrendx/mxnet,ptrendx/mxnet,jiajiechen/mxnet,madjam/mxnet,larroy/mxnet,indhub/mxnet,TuSimple/mxnet,TuSimple/mxnet,tlby/mxnet,sxjscience/mxnet,leezu/mxnet,CodingCat/mxnet,TuSimple/mxnet,szha/mxnet,ForkedReposBak/mxnet,zhreshold/mxnet,jennyzhang0215/incubator-mxnet,hpi-xnor/BMXNet,larroy/mxnet,Prasad9/incubator-mxnet,dmlc/mxnet,vikingMei/mxnet,navrasio/mxnet,yuruofeifei/mxnet,CodingCat/mxnet,kkk669/mxnet,yajiedesign/mxnet,luoyetx/mxnet,madjam/mxnet,kkk669/mxnet,yuruofeifei/mxnet,tornadomeet/mxnet,reminisce/mxnet,precedenceguo/mxnet,formath/mxnet,szha/mxnet,tlby/mxnet,LinkHS/incubator-mxnet,solin319/incubator-mxnet,piiswrong/mxnet,CodingCat/mxnet,jamesliu/mxnet,yuruofeifei/mxnet,mbaijal/incubator-mxnet,szha/mxnet,leezu/mxnet,ykim362/mxnet,Prasad9/incubator-mxnet,Prasad9/incubator-mxnet,reminisce/mxnet,piiswrong/mxnet,madjam/mxnet,jiajiechen/mxnet,jennyzhang0215/incubator-mxnet,luoyetx/mxnet,tlby/mxnet,vikingMei/mxnet,dmlc/mxnet,fullfanta/mxnet,jennyzhang0215/incubator-mxnet,Northrend/mxnet,tornadomeet/mxnet,kkk669/mxnet,kkk669/mxnet,larroy/mxnet,ForkedReposBak/mxnet,vikingMei/mxnet,tlby/mxnet,szha/mxnet,navrasio/mxnet,kkk669/mxnet,rahul003/mxnet,tornadomeet/mxnet,sxjscience/mxnet,weleen/mxnet,hpi-xnor/BMXNet,tornadomeet/mxnet,LinkHS/incubator-mxnet,tornadomeet/mxnet,ykim362/mxnet,larroy/mxnet,yuruofeifei/mxnet,ForkedReposBak/mxnet,indhub/mxnet,apache/incubator-mxnet,formath/mxnet,Northrend/mxnet,piiswrong/mxnet,indhub/mxnet,szha/mxnet,weleen/mxnet,ykim362/mxnet,eric-haibin-lin/mxnet,rahul003/mxnet,jiajiechen/mxnet,indhub/mxnet,reminisce/mxnet,CodingCat/mxnet,mbaijal/incubator-mxnet,weleen/mxnet,formath/mxnet,indhub/mxnet,mbaijal/incubator-mxnet,ykim362/mxnet,precedenceguo/mxnet,leezu/mxnet,DickJC123/mxnet,precedenceguo/mxnet,vikingMei/mxnet,yuruofeifei/mxnet,jamesliu/mxnet,vikingMei/mxnet,apache/incubator-mxnet,luoyetx/mxnet,eric-haibin-lin/mxnet,fullfanta/mxnet,madjam/mxnet,ptrendx/mxnet,rahul003/mxnet,leezu/mxnet,luoyetx/mxnet,kkk669/mxnet,rahul003/mxnet,weleen/mxnet,ykim362/mxnet,yuruofeifei/mxnet,sxjscience/mxnet,DickJC123/mxnet,zhreshold/mxnet,fullfanta/mxnet,solin319/incubator-mxnet,szha/mxnet,weleen/mxnet,mbaijal/incubator-mxnet,indhub/mxnet,precedenceguo/mxnet,CodingCat/mxnet,hpi-xnor/BMXNet,LinkHS/incubator-mxnet,madjam/mxnet,zhreshold/mxnet,eric-haibin-lin/mxnet,zhreshold/mxnet,ptrendx/mxnet,jennyzhang0215/incubator-mxnet,jamesliu/mxnet,reminisce/mxnet,solin319/incubator-mxnet,LinkHS/incubator-mxnet,dmlc/mxnet,leezu/mxnet,ForkedReposBak/mxnet,sxjscience/mxnet,ForkedReposBak/mxnet,Northrend/mxnet,DickJC123/mxnet,szha/mxnet,TuSimple/mxnet,Northrend/mxnet,jennyzhang0215/incubator-mxnet,jennyzhang0215/incubator-mxnet,sxjscience/mxnet,formath/mxnet,yuruofeifei/mxnet,hpi-xnor/BMXNet,tornadomeet/mxnet,eric-haibin-lin/mxnet,navrasio/mxnet,indhub/mxnet,mbaijal/incubator-mxnet,indhub/mxnet,tlby/mxnet,szha/mxnet,dmlc/mxnet,hpi-xnor/BMXNet,jiajiechen/mxnet,formath/mxnet,zhreshold/mxnet,precedenceguo/mxnet,tlby/mxnet,solin319/incubator-mxnet,formath/mxnet,Prasad9/incubator-mxnet,piiswrong/mxnet,fullfanta/mxnet,TuSimple/mxnet,jamesliu/mxnet,vikingMei/mxnet,LinkHS/incubator-mxnet,mbaijal/incubator-mxnet,piiswrong/mxnet,mbaijal/incubator-mxnet,madjam/mxnet,mbaijal/incubator-mxnet,solin319/incubator-mxnet,zhreshold/mxnet,yajiedesign/mxnet,sxjscience/mxnet,reminisce/mxnet,jamesliu/mxnet,Prasad9/incubator-mxnet,navrasio/mxnet,eric-haibin-lin/mxnet,rahul003/mxnet,jamesliu/mxnet,navrasio/mxnet,jamesliu/mxnet,weleen/mxnet,weleen/mxnet,Prasad9/incubator-mxnet,TuSimple/mxnet,sxjscience/mxnet,TuSimple/mxnet,navrasio/mxnet,dmlc/mxnet,yajiedesign/mxnet,LinkHS/incubator-mxnet,mbaijal/incubator-mxnet,leezu/mxnet,madjam/mxnet,jennyzhang0215/incubator-mxnet,LinkHS/incubator-mxnet,larroy/mxnet,eric-haibin-lin/mxnet,solin319/incubator-mxnet,piiswrong/mxnet,jiajiechen/mxnet,formath/mxnet,navrasio/mxnet,larroy/mxnet,precedenceguo/mxnet,jiajiechen/mxnet,vikingMei/mxnet,reminisce/mxnet,reminisce/mxnet,fullfanta/mxnet,CodingCat/mxnet,ptrendx/mxnet,Northrend/mxnet,luoyetx/mxnet,rahul003/mxnet,tlby/mxnet,TuSimple/mxnet,reminisce/mxnet,ForkedReposBak/mxnet,luoyetx/mxnet,vikingMei/mxnet,piiswrong/mxnet,navrasio/mxnet,fullfanta/mxnet,piiswrong/mxnet,ykim362/mxnet,ptrendx/mxnet,navrasio/mxnet,yajiedesign/mxnet,Prasad9/incubator-mxnet,jiajiechen/mxnet,tornadomeet/mxnet,precedenceguo/mxnet,jennyzhang0215/incubator-mxnet,CodingCat/mxnet,jamesliu/mxnet,vikingMei/mxnet,Northrend/mxnet,larroy/mxnet,solin319/incubator-mxnet,sxjscience/mxnet,zhreshold/mxnet,sxjscience/mxnet,yuruofeifei/mxnet,rahul003/mxnet,leezu/mxnet,tlby/mxnet,formath/mxnet,eric-haibin-lin/mxnet,yajiedesign/mxnet,jiajiechen/mxnet,rahul003/mxnet,larroy/mxnet,fullfanta/mxnet,hpi-xnor/BMXNet,madjam/mxnet,CodingCat/mxnet,precedenceguo/mxnet,LinkHS/incubator-mxnet,DickJC123/mxnet,fullfanta/mxnet,madjam/mxnet,dmlc/mxnet,kkk669/mxnet,Prasad9/incubator-mxnet,leezu/mxnet,piiswrong/mxnet,tlby/mxnet,ForkedReposBak/mxnet,yajiedesign/mxnet,TuSimple/mxnet,larroy/mxnet,ForkedReposBak/mxnet,precedenceguo/mxnet,luoyetx/mxnet,tlby/mxnet,leezu/mxnet,weleen/mxnet,dmlc/mxnet,CodingCat/mxnet,ptrendx/mxnet,apache/incubator-mxnet,kkk669/mxnet,solin319/incubator-mxnet,reminisce/mxnet,Prasad9/incubator-mxnet,jamesliu/mxnet,tornadomeet/mxnet,szha/mxnet,ykim362/mxnet,zhreshold/mxnet,zhreshold/mxnet,yajiedesign/mxnet,ykim362/mxnet,ykim362/mxnet,ForkedReposBak/mxnet,ptrendx/mxnet,dmlc/mxnet,yajiedesign/mxnet,Northrend/mxnet,jiajiechen/mxnet,LinkHS/incubator-mxnet,hpi-xnor/BMXNet,tornadomeet/mxnet