Update clean/clean.py

clean/clean.py

@@ -1,3 +1,20 @@
+# Code adapted from https://github.com/tensorflow/datasets/blob/master/tensorflow_datasets/text/c4_utils.py
+# that has the following license
+# coding=utf-8
+# Copyright 2021 The TensorFlow Datasets Authors.
+#
+# 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 functools
 import gzip
 import hashlib
@@ -127,7 +144,8 @@ def clean_text(text,
     counter_inc_fn("filtered:too_few_sentences")
     return
   counter_inc_fn("passed")
-  result = "\n".join(valid_lines).strip()
+  result = "\
+".join(valid_lines).strip()
   return result