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1from transformers import AutoTokenizer
2from trl import AutoModelForCausalLMWithValueHead
3import torch
4
5tokenizer = AutoTokenizer.from_pretrained("entfane/gpt2_constitutional_classifier_with_value_head")
6model = AutoModelForCausalLMWithValueHead.from_pretrained("entfane/gpt2_constitutional_classifier_with_value_head", device_map = "cuda")
7
8messages = [{"role":"system", "content": ""},
9 {"role":"user", "content": "How are you doing?"},
10 {"role":"assistant", "content": "I am good"}]
11
12input = tokenizer.apply_chat_template(messages, tokenize = True, return_tensors = "pt").to('cuda')
13_, _, values = model(**input)
14print(torch.sigmoid(values))