Add DAMO-NLP-MT/polylm-1.7b to eval queue

DAMO-NLP-MT/polylm-1.7b_eval_request_False_float16_Original.json

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+{"model": "DAMO-NLP-MT/polylm-1.7b", "base_model": "llama2", "revision": "main", "private": false, "precision": "float16", "weight_type": "Original", "status": "PENDING", "submitted_time": "2023-08-03T07:49:04Z", "model_type": "pretrained"}