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import torch
from transformers.models.bert import BertModel, BertTokenizer
if __name__ == '__main__':
model_name = 'bert-base-uncased'
tokenizer = BertTokenizer.from_pretrained(model_name)
model = BertModel.from_pretrained(model_name, output_hidden_states=True)
test_sent = 'this is a test sentence'
model_input = tokenizer(test_sent, return_tensors='pt')
model.eval()
with torch.no_grad():
output = model(**model_input)
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