[MRG] Fixing tests that fail to close files that they open

[keyabarve]

Fixes #1435

[codecov]

Codecov Report

Merging #1550 (efdcd2d) into latest (83954d1) will increase coverage by 4.98%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           latest    #1550      +/-   ##
==========================================
+ Coverage   90.26%   95.25%   +4.98%     
==========================================
  Files         126       99      -27     
  Lines       21268    17571    -3697     
  Branches     1595     1595              
==========================================
- Hits        19198    16737    -2461     
+ Misses       1843      607    -1236     
  Partials      227      227              

Flag	Coverage Δ
python	95.25% <100.00%> (+<0.01%)	⬆️
rust	?

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Impacted Files	Coverage Δ
tests/test_lca.py	99.87% <100.00%> (+<0.01%)	⬆️
src/core/src/from.rs
src/core/src/sketch/minhash.rs
src/core/tests/test.rs
src/core/src/encodings.rs
src/core/src/errors.rs
src/core/src/sketch/hyperloglog/mod.rs
src/core/src/index/sbt/mod.rs
src/core/src/ffi/utils.rs
src/core/src/lib.rs
... and 18 more

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[keyabarve]

Please review. @ctb

[ctb]

Nice work! shall I merge? (put [MRG] in front of PR title if you want me to merge, or [WIP] in front of title if it remains a work-in-progress)

[keyabarve]

Thanks! Sure!

[ctb]

thanks! 🎉