pickle free centroids hdf - #1076

  1 files  ±0    1 suites  ±0   6m 45s ⏱️ -26s
734 tests ±0  734 ✅ +1  0 💤 ±0  0 ❌  - 1 
743 runs  ±0  743 ✅ +1  0 💤 ±0  0 ❌  - 1 

Results for commit a1f0fcb. ± Comparison against earlier commit 822a9ae.