fix: check attr exists before setattr to aviod KeyError #1416

[smartydroid]

Description

Motivation and Context

How Has This Been Tested?

Checklist:

• [ ] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [ ] I have added the changelog accordingly.
• [ ] I have read the CONTRIBUTING document.
• [ ] I have added tests to cover my changes.
• [ ] All new and existing tests passed.

[abondar]

Did you manage to understand root cause of issue? This way it seems it will just hide the problem, not fix it