Loading GPT-Neo-2.7B has error
### System Info

transformers==4.28.1, torch==1.13.1, dgx-A100, python=3.8.15

### Who can help?

_No response_

### Information

- [ ] The official example scripts
- [X] My own modified scripts

### Tasks

- [X] An officially supported task in the `examples` folder (such as GLUE/SQuAD, ...)
- [ ] My own task or dataset (give details below)

### Reproduction

```python
model_name = "/models/gpt-neo-2.7B"
model = AutoModelForCausalLM.from_pretrained(model_name, low_cpu_mem_usage=True)
```
Then I get following bug:
```
OSError: Unable to load weights from pytorch checkpoint file for '/models/gpt-neo-2.7B/pytorch_model.bin' at '/models/gpt-neo-2.7B/pytorch_model.bin'. If you tried to load a PyTorch model from a TF 2.0 checkpoint, please set from_tf=True.
```

However, for gpt-neo-125m and gpt-neo-1.3b, no bug occurs. 

Could you please help me with this issue? Many thanks!

### Expected behavior

Load the model successfully.
Hi @YIYANGCAI 

Do you have a checkpoint in your local machine with path `/models/gpt-neo-2.7B`?<|||||>yes, I pre-downloaded it at this path.<|||||>could you check if you have absolute path `/models/gpt-neo-2.7B` or you intend to use relative path?

<|||||>This issue has been automatically marked as stale because it has not had recent activity. If you think this still needs to be addressed please comment on this thread.

Please note that issues that do not follow the [contributing guidelines](https://github.com/huggingface/transformers/blob/main/CONTRIBUTING.md) are likely to be ignored.