Silence env_opt, and fix serialization for GPU
Silence env_opt, and fix serialization for GPU

aikramer2/spaCy,spacy-io/spaCy,spacy-io/spaCy,explosion/spaCy,aikramer2/spaCy,recognai/spaCy,spacy-io/spaCy,honnibal/spaCy,honnibal/spaCy,recognai/spaCy,spacy-io/spaCy,aikramer2/spaCy,explosion/spaCy,spacy-io/spaCy,aikramer2/spaCy,explosion/spaCy,honnibal/spaCy,explosion/spaCy,aikramer2/spaCy,recognai/spaCy,honnibal/spaCy,explosion/spaCy,recognai/spaCy,recognai/spaCy,spacy-io/spaCy,explosion/spaCy,aikramer2/spaCy,recognai/spaCy