nit: remove some uneeded dependencies

presets/tuning/tfs/fine_tuning_api.py

@@ -4,13 +4,11 @@
 import sys
 from dataclasses import asdict
 from datetime import datetime
-import yaml
 
 import torch
 import transformers
 from accelerate import Accelerator
-from cli import (DatasetConfig, ExtDataCollator, ExtLoraConfig, ModelConfig,
-                 QuantizationConfig, TokenizerParams)
+
 from datasets import load_dataset
 from peft import LoraConfig, get_peft_model, prepare_model_for_kbit_training
 from transformers import (AutoModelForCausalLM, AutoTokenizer,