Patch version bump

Larger error tolerance since approx nearest neighbors can mess things…

… up a bit.

Version bump for numba 0.53 fixes

Re-black for release.

Remove tbb requirements

Version bump

Merge pull request lmcinnes#425 from Rocketknight1/master

Added handling for sparse precomputed distance matrices

Merge remote-tracking branch 'origin/master'

Fix for lmcinnes#398

 First patch - re-blacked