fix docker build issues

[ARY2260]

Description

Fix #(issue)

Type of change

Please check the option that is related to your PR.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
  • In this case, we recommend to discuss your modification on GitHub issues before creating the PR
• Documentations (modification for documents)

Checklist

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• New unit tests pass locally with my changes
• I have checked my code and corrected any misspellings

[redrodeo03]

CI is failing due to Python version incompatibility, do remove the type-union operator ( | ). We are on Python 3.9 for reference. Rest looks good to go!

[shreyasvinaya]

LGTM

@redrodeo03 @ARY2260 please verify that the docker build completes