[Bugfix][Urgent] AQUA get configuration bugfix

[kumar-shivam-ranjan]

This PR intends to fix a bug in the API that fetches configuration for

1. Fine-tuning
2. Deployment
3. Model tokenizer

Fine-tuning config

Request:
http://localhost:8888/aqua/finetuning/config/ocid1.datasciencemodel.oc1.iad.xxxx

Response: 
{
    "shape": {
        "VM.GPU.A10.1": {
            "batch_size": 1,
            "replica": 1
        }
    },
    "configuration": {
        "micro_batch_size": 1,
        "gradient_accumulation_steps": 1,
        "gradient_checkpointing": true,
        "val_set_size": 0.1,
        "sequence_len": 2048,
        "sample_packing": true,
        "pad_to_sequence_len": true,
        "optimizer": "adamw_torch",
        "lr_scheduler": "cosine",
        "learning_rate": 0.0002,
        "flash_attention": true,
        "bf16": true,
        "fp16": false,
        "tf32": false,
        "logging_steps": 1,
        "adapter": "lora",
        "lora_r": 32,
        "lora_alpha": 16,
        "lora_dropout": 0.05,
        "lora_target_linear": true,
        "lora_target_modules": [
            "q_proj",
            "k_proj"
        ]
    }
}

Hugging model tokenizer

Request:
http://localhost:8888/aqua/model/ocid1.datasciencemodel.oc1.iad.xxxx/tokenizer

Response:
{
    "add_bos_token": true,
    "add_eos_token": false,
    "bos_token": {
        "__type": "AddedToken",
        "content": "<s>",
        "lstrip": false,
        "normalized": true,
        "rstrip": false,
        "single_word": false
    },
    "clean_up_tokenization_spaces": false,
    "eos_token": {
        "__type": "AddedToken",
        "content": "</s>",
        "lstrip": false,
        "normalized": true,
        "rstrip": false,
        "single_word": false
    },
    "legacy": null,
    "model_max_length": 1000000000000000019884624838656,
    "pad_token": null,
    "sp_model_kwargs": {},
    "tokenizer_class": "CodeLlamaTokenizer",
    "unk_token": {
        "__type": "AddedToken",
        "content": "<unk>",
        "lstrip": false,
        "normalized": true,
        "rstrip": false,
        "single_word": false
    }
}

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[VipulMascarenhas]

can you use os.path.join here? that should take care of it, right?

[kumar-shivam-ranjan]

Updated.
Thanks

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