Add black to dev requirements
Add black to dev requirements

honnibal/spaCy,honnibal/spaCy,honnibal/spaCy,spacy-io/spaCy,spacy-io/spaCy,explosion/spaCy,explosion/spaCy,explosion/spaCy,spacy-io/spaCy,explosion/spaCy,honnibal/spaCy,spacy-io/spaCy,spacy-io/spaCy,explosion/spaCy,spacy-io/spaCy,explosion/spaCy