248 numpy 2 0 migration

[j-emberton]

Description

Code modifications for numpy 2.0 compatibility

Fixes # 248

Type of change

Minor code modifications to support Numpy 2.0

Key checklist

• [ ] Make sure you've run the pre-commit checks: $ pre-commit run -a
• [ ] All tests pass: $ poetry run pytest

Further checks

• [ ] Code is commented, particularly in hard-to-understand areas
• [ ] Tests added that prove fix is effective or that feature works

[j-emberton]

yes I breathed a sign of relief!