Original model configuration (config.json) was not found error during running inference using "Llama-2-7b-chat-hf"

I am running below command inside docker container.
python3 text-generation.py meta-llama/Llama-2-7b-chat-hf /opt/optimum_nvidia

**I am facing issue below**.
Traceback (most recent call last):
File "/opt/optimum-nvidia/examples/text-generation.py", line 67, in
model = AutoModelForCausalLM.from_pretrained(args.model, use_fp8=args.fp8)
File "/usr/local/lib/python3.10/dist-packages/huggingface_hub/utils/_validators.py", line 118, in _inner_fn
return fn(*args, **kwargs)
File "/usr/local/lib/python3.10/dist-packages/huggingface_hub/hub_mixin.py", line 296, in from_pretrained
instance = cls._from_pretrained(
File "/opt/optimum-nvidia/src/optimum/nvidia/models/auto.py", line 68, in _from_pretrained
model = model_clazz.from_pretrained(
File "/usr/local/lib/python3.10/dist-packages/huggingface_hub/utils/_validators.py", line 118, in _inner_fn
return fn(*args, **kwargs)
File "/usr/local/lib/python3.10/dist-packages/huggingface_hub/hub_mixin.py", line 296, in from_pretrained
instance = cls._from_pretrained(
File "/opt/optimum-nvidia/src/optimum/nvidia/hub.py", line 228, in _from_pretrained
raise ValueError(
ValueError: Original model configuration (config.json) was not found.The model configuration is required to build Tensor