fix(general): address python 3.12 SyntaxWarning

[branchvincent]

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

Description

These strings raise a SyntaxWarning on 3.12. See https://docs.python.org/3/whatsnew/3.12.html#other-language-changes:

A backslash-character pair that is not a valid escape sequence now generates a SyntaxWarning

Checklist:

• My code follows the style guidelines of this project
• 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 feature, policy, or fix is effective and works
• New and existing tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[gruebel]

thanks for the contribution 🏆