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Merge branch 'master' of https://github.com/digitalepidemiologylab/covid-twitter-bert

Specifying the tensorflow-addons version in order to fix incompatibilities with TensorFlow 2.2 (Python Op Compatibility Matrix: https://github.com/tensorflow/addons)

Minor fix

Add a component to the pipeline called 'nlp' ('nlp = spacy.lang.en.English()'). Note: as of spaCy v3.0, the 'Language.add_pipe' method doesn't take callables anymore and instead expects the name of a component factory registered using '@Language.component' or '@Language.factory'. It now takes care of creating the component, adds it to the pipeline and returns it.

Update README.md

Update README.md

Update README.md

Merge branch 'master' of github.com:digitalepidemiologylab/covid-twitter-bert

minor improvements

merge

minor fix create finetune dataset

fix validation freq argument