Fix off-by-one error for best iteration calculation (closes #6014) (#6016)
Fix off-by-one error for best iteration calculation (closes #6014) (#6016)


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