fix: sympy tests (sympy v1.13)

[Saransh-cpp]

Description

Kindly take a look at CONTRIBUTING.md.

Please describe the purpose of this pull request. Reference and link to any relevant issues or pull requests.

Checklist

• [ ] Have you followed the guidelines in our Contributing document?
• [ ] Have you checked to ensure there aren't any other open Pull Requests for the required change?
• [ ] Does your submission pass pre-commit? ($ pre-commit run --all-files or $ nox -s lint)
• [ ] Does your submission pass tests? ($ pytest or $ nox -s tests)
• [ ] Does the documentation build with your changes? ($ cd docs; make clean; make html or $ nox -s docs)
• [ ] Does your submission pass the doctests? ($ pytest --doctest-plus src/vector/ or $ nox -s doctests)

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[codecov[bot]]

Codecov Report

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

Project coverage is 86.85%. Comparing base (0db3bc8) to head (498a431).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #485 +/- ## ======================================= Coverage 86.85% 86.85% ======================================= Files 96 96 Lines 11919 11919 ======================================= Hits 10352 10352 Misses 1567 1567 ```

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