add license

Former-commit-id: 69cfc98d7c81756a5ab6bf962240e393e449fef0

src/llamafactory/model/model_utils/quantization.py

@@ -1,3 +1,20 @@
+# Copyright 2024 HuggingFace Inc. and the LlamaFactory team.
+#
+# This code is inspired by HuggingFace's Optimum library.
+# https://github.com/huggingface/optimum/blob/v1.20.0/optimum/gptq/data.py
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 import os
 import random
 from enum import Enum, unique
@@ -41,7 +58,6 @@ class QuantizationMethod(str, Enum):
 
 def _get_quantization_dataset(tokenizer: "PreTrainedTokenizer", model_args: "ModelArguments") -> List[str]:
     r"""
-    Inspired by: https://github.com/huggingface/optimum/blob/v1.16.0/optimum/gptq/data.py#L133
     TODO: remove tokenizer.decode() https://github.com/huggingface/optimum/pull/1600
     """
     if os.path.isfile(model_args.export_quantization_dataset):