python: Import gz.math at startup to fix #1129

[willstott101]

🦟 Bug fix

Fixes #

Summary

Checklist

• Signed all commits for DCO
• Added tests
• Updated documentation (as needed)
• Updated migration guide (as needed)
• Consider updating Python bindings (if the library has them)
• codecheck passed (See contributing)
• All tests passed (See test coverage)
• While waiting for a review on your PR, please help review another open pull request to support the maintainers

Note to maintainers: Remember to use Squash-Merge and edit the commit message to match the pull request summary while retaining Signed-off-by messages.

[codecov]

Codecov Report

Merging #1130 (874a8c7) into sdf13 (1e5be74) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##            sdf13    #1130   +/-   ##
=======================================
  Coverage   87.05%   87.05%           
=======================================
  Files         125      125           
  Lines       15885    15887    +2     
=======================================
+ Hits        13828    13830    +2     
  Misses       2057     2057           

Impacted Files	Coverage Δ
python/src/sdf/_gz_sdformat_pybind11.cc	100.00% <100.00%> (ø)

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[azeey]

Thanks for the PR @willstott101. We are currently under code freeze in preparation for the Garden release. Since there's a workaround for this as discussed in #1129, we'll wait to review/merge this until Garden is released.

[azeey]

I took the liberty to merge from sdf13 and make changes so the correct version of gz.math is imported.

[willstott101]

thanks!