Fix bug in processing script (#6867)
Fix bug in processing script (#6867)

The argsort command returns a new array that is the sorted
index rather than a new sorted value array. This patch
stores the sorted index in a new variable and uses it to
reference the predicted values.
dmlc/tvm,dmlc/tvm,Laurawly/tvm-1,dmlc/tvm,dmlc/tvm,Laurawly/tvm-1,Laurawly/tvm-1,dmlc/tvm,Laurawly/tvm-1,Laurawly/tvm-1,dmlc/tvm,Laurawly/tvm-1,dmlc/tvm,Laurawly/tvm-1,Laurawly/tvm-1,dmlc/tvm,Laurawly/tvm-1,Laurawly/tvm-1,dmlc/tvm