fix divisions warnings

[dougbrn]

Change Description

Resolves #410

• [x] My PR includes a link to the issue that I am addressing

Solution Description

Code Quality

• [ ] My code builds (or compiles) cleanly without any errors or warnings
• [ ] My code contains relevant comments and necessary documentation

Project-Specific Pull Request Checklists

• [ ] I have added a function that requires a sync_tables command, and have added the neccesary sync_tables call

Bug Fix Checklist

• [ ] My fix includes a new test that breaks as a result of the bug (if possible)
• [ ] My change includes a breaking change
  • [ ] My change includes backwards compatibility and deprecation warnings (if possible)

New Feature Checklist

• [ ] I have added or updated the docstrings associated with my feature using the NumPy docstring format
• [ ] I have updated the tutorial to highlight my new feature (if appropriate)
• [ ] I have added unit/End-to-End (E2E) test cases to cover my new feature
• [ ] My change includes a breaking change
  • [ ] My change includes backwards compatibility and deprecation warnings (if possible)

Documentation Change Checklist

• [ ] Any updated docstrings use the NumPy docstring format

Build/CI Change Checklist

• [ ] If required or optional dependencies have changed (including version numbers), I have updated the README to reflect this
• [ ] If this is a new CI setup, I have added the associated badge to the README

Other Change Checklist

• [ ] Any new or updated docstrings use the NumPy docstring format.
• [ ] I have updated the tutorial to highlight my new feature (if appropriate)
• [ ] I have added unit/End-to-End (E2E) test cases to cover any changes
• [ ] My change includes a breaking change
  • [ ] My change includes backwards compatibility and deprecation warnings (if possible)

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[github-actions[bot]]

Before [60f12c36]	After [8469c02d]	Ratio	Benchmark (Parameter)
35.7±2ms	36.3±1ms	1.02	benchmarks.time_prune_sync_workflow
36.0±1ms	34.6±1ms	0.96	benchmarks.time_batch

Click here to view all benchmarks.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 95.78%. Comparing base (60f12c3) to head (d6cdc97).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #411 +/- ## ======================================= Coverage 95.77% 95.78% ======================================= Files 25 25 Lines 1751 1755 +4 ======================================= + Hits 1677 1681 +4 Misses 74 74 ```

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