Is there an existing issue for this?

• I have searched the existing issues

Current Behavior

Python 3.9.7 was found by the CI to cause issues with the existing test suite.

Expected Behavior

Tests should run as 3.9.5 and successfully pass.

Steps To Reproduce

1. Set environment to 3.9.7
   This can be done with poetry env use 3.9.7 and pyenv local 3.9.7

2. Run make tests

Environment

- OS: Mac, Windows, Linux

Anything else?

This workflow shows the bugs if you wish to see the problems before starting
https://github.com/microsoft/electionguard-python/runs/3655735644?check_suite_focus=true