Make numpy functions return Symbol instead of numpy object array (#9293)
Make numpy functions return Symbol instead of numpy object array (#9293)

* Make numpy functions return Symbol instead of numpy object array

* Trigger rebuild

yuruofeifei/mxnet,precedenceguo/mxnet,TuSimple/mxnet,ptrendx/mxnet,yajiedesign/mxnet,dmlc/mxnet,sxjscience/mxnet,jiajiechen/mxnet,zhreshold/mxnet,dmlc/mxnet,TuSimple/mxnet,navrasio/mxnet,navrasio/mxnet,larroy/mxnet,ForkedReposBak/mxnet,luoyetx/mxnet,Northrend/mxnet,CodingCat/mxnet,jamesliu/mxnet,weleen/mxnet,CodingCat/mxnet,LinkHS/incubator-mxnet,LinkHS/incubator-mxnet,zhreshold/mxnet,rahul003/mxnet,leezu/mxnet,ptrendx/mxnet,mbaijal/incubator-mxnet,jennyzhang0215/incubator-mxnet,yajiedesign/mxnet,tornadomeet/mxnet,jamesliu/mxnet,szha/mxnet,ptrendx/mxnet,ptrendx/mxnet,jiajiechen/mxnet,TuSimple/mxnet,ForkedReposBak/mxnet,precedenceguo/mxnet,ForkedReposBak/mxnet,dmlc/mxnet,tlby/mxnet,rahul003/mxnet,ptrendx/mxnet,navrasio/mxnet,indhub/mxnet,reminisce/mxnet,dmlc/mxnet,tlby/mxnet,jennyzhang0215/incubator-mxnet,tlby/mxnet,yajiedesign/mxnet,jiajiechen/mxnet,precedenceguo/mxnet,jennyzhang0215/incubator-mxnet,reminisce/mxnet,jamesliu/mxnet,CodingCat/mxnet,rahul003/mxnet,TuSimple/mxnet,reminisce/mxnet,eric-haibin-lin/mxnet,reminisce/mxnet,jiajiechen/mxnet,Northrend/mxnet,yajiedesign/mxnet,LinkHS/incubator-mxnet,TuSimple/mxnet,rahul003/mxnet,navrasio/mxnet,larroy/mxnet,tornadomeet/mxnet,leezu/mxnet,tlby/mxnet,fullfanta/mxnet,Northrend/mxnet,larroy/mxnet,ForkedReposBak/mxnet,szha/mxnet,sxjscience/mxnet,yuruofeifei/mxnet,jennyzhang0215/incubator-mxnet,tornadomeet/mxnet,vikingMei/mxnet,TuSimple/mxnet,eric-haibin-lin/mxnet,szha/mxnet,navrasio/mxnet,dmlc/mxnet,yuruofeifei/mxnet,szha/mxnet,mbaijal/incubator-mxnet,vikingMei/mxnet,yajiedesign/mxnet,mbaijal/incubator-mxnet,zhreshold/mxnet,eric-haibin-lin/mxnet,szha/mxnet,sxjscience/mxnet,CodingCat/mxnet,yajiedesign/mxnet,reminisce/mxnet,apache/incubator-mxnet,yuruofeifei/mxnet,tornadomeet/mxnet,ForkedReposBak/mxnet,ptrendx/mxnet,reminisce/mxnet,LinkHS/incubator-mxnet,indhub/mxnet,sxjscience/mxnet,eric-haibin-lin/mxnet,larroy/mxnet,fullfanta/mxnet,tornadomeet/mxnet,tlby/mxnet,mbaijal/incubator-mxnet,tlby/mxnet,larroy/mxnet,rahul003/mxnet,navrasio/mxnet,jamesliu/mxnet,TuSimple/mxnet,ptrendx/mxnet,rahul003/mxnet,LinkHS/incubator-mxnet,jamesliu/mxnet,sxjscience/mxnet,CodingCat/mxnet,tornadomeet/mxnet,indhub/mxnet,jiajiechen/mxnet,Northrend/mxnet,tlby/mxnet,tlby/mxnet,vikingMei/mxnet,luoyetx/mxnet,jennyzhang0215/incubator-mxnet,ForkedReposBak/mxnet,jamesliu/mxnet,Northrend/mxnet,tlby/mxnet,zhreshold/mxnet,luoyetx/mxnet,tornadomeet/mxnet,precedenceguo/mxnet,dmlc/mxnet,CodingCat/mxnet,precedenceguo/mxnet,precedenceguo/mxnet,sxjscience/mxnet,vikingMei/mxnet,tlby/mxnet,ptrendx/mxnet,leezu/mxnet,LinkHS/incubator-mxnet,yajiedesign/mxnet,precedenceguo/mxnet,jamesliu/mxnet,szha/mxnet,weleen/mxnet,sxjscience/mxnet,indhub/mxnet,TuSimple/mxnet,jennyzhang0215/incubator-mxnet,fullfanta/mxnet,eric-haibin-lin/mxnet,fullfanta/mxnet,Northrend/mxnet,dmlc/mxnet,indhub/mxnet,ForkedReposBak/mxnet,larroy/mxnet,ForkedReposBak/mxnet,luoyetx/mxnet,navrasio/mxnet,jiajiechen/mxnet,ForkedReposBak/mxnet,weleen/mxnet,fullfanta/mxnet,jennyzhang0215/incubator-mxnet,precedenceguo/mxnet,jiajiechen/mxnet,eric-haibin-lin/mxnet,szha/mxnet,TuSimple/mxnet,dmlc/mxnet,vikingMei/mxnet,zhreshold/mxnet,indhub/mxnet,DickJC123/mxnet,reminisce/mxnet,fullfanta/mxnet,yuruofeifei/mxnet,Northrend/mxnet,weleen/mxnet,mbaijal/incubator-mxnet,apache/incubator-mxnet,LinkHS/incubator-mxnet,zhreshold/mxnet,DickJC123/mxnet,dmlc/mxnet,yajiedesign/mxnet,fullfanta/mxnet,reminisce/mxnet,luoyetx/mxnet,yuruofeifei/mxnet,CodingCat/mxnet,yajiedesign/mxnet,vikingMei/mxnet,LinkHS/incubator-mxnet,zhreshold/mxnet,vikingMei/mxnet,tornadomeet/mxnet,luoyetx/mxnet,Northrend/mxnet,jiajiechen/mxnet,luoyetx/mxnet,vikingMei/mxnet,weleen/mxnet,yuruofeifei/mxnet,mbaijal/incubator-mxnet,mbaijal/incubator-mxnet,DickJC123/mxnet,leezu/mxnet,szha/mxnet,precedenceguo/mxnet,eric-haibin-lin/mxnet,CodingCat/mxnet,szha/mxnet,rahul003/mxnet,Northrend/mxnet,CodingCat/mxnet,LinkHS/incubator-mxnet,DickJC123/mxnet,apache/incubator-mxnet,zhreshold/mxnet,zhreshold/mxnet,mbaijal/incubator-mxnet,apache/incubator-mxnet,leezu/mxnet,sxjscience/mxnet,jiajiechen/mxnet,yuruofeifei/mxnet,leezu/mxnet,navrasio/mxnet,mbaijal/incubator-mxnet,indhub/mxnet,luoyetx/mxnet,fullfanta/mxnet,weleen/mxnet,vikingMei/mxnet,indhub/mxnet,tornadomeet/mxnet,navrasio/mxnet,larroy/mxnet,jamesliu/mxnet,larroy/mxnet,eric-haibin-lin/mxnet,jamesliu/mxnet,leezu/mxnet,reminisce/mxnet,TuSimple/mxnet,leezu/mxnet,rahul003/mxnet,rahul003/mxnet,luoyetx/mxnet,weleen/mxnet,weleen/mxnet,weleen/mxnet,ptrendx/mxnet,jennyzhang0215/incubator-mxnet,reminisce/mxnet,indhub/mxnet,larroy/mxnet,leezu/mxnet,eric-haibin-lin/mxnet,fullfanta/mxnet,jennyzhang0215/incubator-mxnet,sxjscience/mxnet,yuruofeifei/mxnet,ptrendx/mxnet