Revert "Disable code cov in CI (#476)" (#483)
Revert "Disable code cov in CI (#476)" (#483)

This reverts commit fda5e5fa9465671e897b10c894e04cc5e0bd9aa9.
spacy-io/thinc,spacy-io/thinc,explosion/thinc,spacy-io/thinc,explosion/thinc,explosion/thinc,explosion/thinc