Merge pull request #384 from wellcometrust/unpin-tokenizers

Unpin tokenizers to update transformers

Merge pull request #379 from wellcometrust/fix/move-flake8-to-test-setup

Move flake8 and black to tests

Merge pull request #374 from wellcometrust/release-version-2.0.0

Release 2.0.0

Merge pull request #358 from wellcometrust/reuse-cnn

Do not initialize model if it exists in CNN

Merge pull request #346 from wellcometrust/fix/tf-idf-fit-transform

Fix/tf idf fit transform

Add #289 in CHANGELOG

Merge pull request #276 from wellcometrust/feature/clustering-improve…

…ments

Feature/clustering improvements

Reduce scope and improve reproducibility

Add warning about early stopping not working

Add warning about early stopping not working