Protect pathlib import in lalsimulation tests
Currently our macos intergration tests don't have the
pathlib python module available, so we need to protect those imports until we can upgrade the macos runners.
API Changes and Justification
Backwards Compatible Changes
- This change introduces no API changes
- This change adds new API calls
Backwards Incompatible Changes
- This change modifies an existing API
- This change removes an existing API
If any of the Backwards Incompatible check boxes are ticked please provide a justification why this change is necessary and why it needs to be done in a backwards incompatible way.
Please provide details on any reviews related to this change and and the associated reviewers.