What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespaces from that line:

/kind bug
/kind task
/kind feature

/kind bug

What does this PR do / why do we need it:
After Tensor refactoring, the output format is not shown as numpy does.
This PR try to print the Tensor data referring to numpy print.

Which issue(s) this PR fixes:

Fixes (https://gitee.com/mindspore/dashboard/issues?id=I1MFV5)

Special notes for your reviewers: