fix: ROOT-17: Check conditions for COCO/YOLO Keypoints export

[robot-ci-heartex]

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• fix: ROOT-17: Check conditions for COCO/YOLO Keypoints export label-studio-sdk#467

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.48%. Comparing base (e5c6eb8) to head (3f83574).
Report is 7 commits behind head on develop.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #7626   +/-   ##
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  Coverage    78.48%   78.48%           
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  Files          197      197           
  Lines        16001    16001           
========================================
  Hits         12558    12558           
  Misses        3443     3443           

Flag	Coverage Δ
pytests	78.48% <ø> (ø)

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