* Fix StringIO for Python3 in tests
* Fix StringIO for Python3 in tests

pombredanne/spaCy,pombredanne/spaCy,oroszgy/spaCy.hu,banglakit/spaCy,oroszgy/spaCy.hu,oroszgy/spaCy.hu,Gregory-Howard/spaCy,wbwseeker/spaCy,oroszgy/spaCy.hu,Gregory-Howard/spaCy,banglakit/spaCy,recognai/spaCy,raphael0202/spaCy,wbwseeker/spaCy,wbwseeker/spaCy,explosion/spaCy,banglakit/spaCy,spacy-io/spaCy,Gregory-Howard/spaCy,banglakit/spaCy,recognai/spaCy,spacy-io/spaCy,spacy-io/spaCy,banglakit/spaCy,Gregory-Howard/spaCy,oroszgy/spaCy.hu,raphael0202/spaCy,honnibal/spaCy,recognai/spaCy,spacy-io/spaCy,wbwseeker/spaCy,aikramer2/spaCy,aikramer2/spaCy,pombredanne/spaCy,raphael0202/spaCy,aikramer2/spaCy,banglakit/spaCy,aikramer2/spaCy,recognai/spaCy,wbwseeker/spaCy,honnibal/spaCy,wbwseeker/spaCy,spacy-io/spaCy,pombredanne/spaCy,raphael0202/spaCy,recognai/spaCy,explosion/spaCy,explosion/spaCy,aikramer2/spaCy,Gregory-Howard/spaCy,raphael0202/spaCy,Gregory-Howard/spaCy,recognai/spaCy,honnibal/spaCy,explosion/spaCy,oroszgy/spaCy.hu,spacy-io/spaCy,explosion/spaCy,honnibal/spaCy,aikramer2/spaCy,explosion/spaCy,raphael0202/spaCy