Raise the object instead of the exception type

[WangGithubUser]

Pre-submission checklist

• I've ran the linters locally and fixed lint errors related to the files I modified in this PR. You can install the linters by running pip install -r requirements-dev.txt && pre-commit install
• pre-commit run

Summary

We should provide raise the object instance, but not the type.

Test Plan

N/A

[WangGithubUser]

Seems this PR isn't necessary, I will close it now...Python will auto change the exception type to the instance object.