Put launch script code back

Signed-off-by: Angel Luu <angel.luu@us.ibm.com>

build/accelerate_launch.py

@@ -28,9 +28,9 @@
 
 # Third Party
 from accelerate.commands.launch import launch_command
-from transformers import AutoModelForCausalLM, AutoTokenizer, GPTQConfig
+from transformers import AutoModelForCausalLM, AutoTokenizer
 from peft import PeftModel
-from torch import bfloat16, float16
+from torch import bfloat16
 
 # Local
 from build.utils import (
@@ -142,28 +142,11 @@ def main():
 
         if os.path.exists(adapter_config_path):
             base_model_path = get_base_model_from_adapter_config(adapter_config_path)
-
-            is_quantized = os.path.exists(
-                os.path.join(base_model_path, "quantize_config.json")
+            base_model = AutoModelForCausalLM.from_pretrained(
+                base_model_path,
+                attn_implementation="flash_attention_2" if use_flash_attn else None,
+                torch_dtype=bfloat16 if use_flash_attn else None,
             )
-            if is_quantized:
-                print("ANGEL QLORA DEBUG: this model is quantized")
-
-                gptq_config = GPTQConfig(bits=4, exllama_config={"version": 2})
-                base_model = AutoModelForCausalLM.from_pretrained(
-                    base_model_path,
-                    attn_implementation="flash_attention_2" if use_flash_attn else None,
-                    device_map="auto",
-                    torch_dtype=float16 if use_flash_attn else None,
-                    quantization_config=gptq_config,
-                )
-            else:
-                print("ANGEL QLORA DEBUG: this model is NOT quantized")
-                base_model = AutoModelForCausalLM.from_pretrained(
-                    base_model_path,
-                    attn_implementation="flash_attention_2" if use_flash_attn else None,
-                    torch_dtype=bfloat16 if use_flash_attn else None,
-                )
 
             # since the peft library (PEFTModelForCausalLM) does not handle cases
             # where the model's layers are modified, in our case the embedding layer
@@ -233,4 +216,4 @@ def main():
 
 
 if __name__ == "__main__":
-    main()
+    main()