fix: get coordinate classes to work for numpy

[Saransh-cpp]

Description

Fixes #194

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.85%. Comparing base (85512d0) to head (ee36fca).
Report is 29 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #466      +/-   ##
==========================================
+ Coverage   86.68%   86.85%   +0.16%     
==========================================
  Files          96       96              
  Lines       11836    11919      +83     
==========================================
+ Hits        10260    10352      +92     
+ Misses       1576     1567       -9     

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[jpivarski]

I think the reason this wasn't working before is because, in the original implementation, I didn't intend NumPy Vector arrays to be used like this. But it's not unreasonable to expect this behavior, so I'm glad you got it working!

[Saransh-cpp]

Thanks for the review!