fix: deal with 0 true positive and negative
fix: deal with 0 true positive and negative

Import `sqrt` from `math` instead of `numpy` in order to avoid `nan`
values.

biosustain/memote,opencobra/memote,biosustain/memote,opencobra/memote,opencobra/memote,opencobra/memote,biosustain/memote,opencobra/memote