imrpove llama check and fix safetensors file check

scripts/finetune.py

@@ -85,14 +85,12 @@ def load_model(base_model, base_model_config, model_type, tokenizer_type, cfg, a
         raise e
 
     try:
-        if cfg.load_4bit and "llama" in base_model:
+        if cfg.load_4bit and "llama" in base_model or "llama" in cfg.model_type.lower():
             from alpaca_lora_4bit.autograd_4bit import load_llama_model_4bit_low_ram
             from huggingface_hub import snapshot_download
 
             cache_model_path = Path(snapshot_download(base_model))
-            # TODO search .glob for a .pt, .safetensor, or .bin
-            cache_model_path.glob("*.pt")
-            files = list(cache_model_path.glob('*.pt')) + list(cache_model_path.glob('*.safetensor')) + list(cache_model_path.glob('*.bin'))
+            files = list(cache_model_path.glob('*.pt')) + list(cache_model_path.glob('*.safetensors')) + list(cache_model_path.glob('*.bin'))
             if len(files) > 0:
                 model_path = str(files[0])
             else: