Update files from the datasets library (from 1.18.0)

Release notes: https://github.com/huggingface/datasets/releases/tag/1.18.0

README.md

@@ -19,6 +19,7 @@ task_categories:
 task_ids:
 - sentiment-classification
 paperswithcode_id: null
+pretty_name: Tamilmixsentiment
 ---
 
 # Dataset Card for Tamilmixsentiment
@@ -169,4 +170,4 @@ Eleven volunteers were involved in the process. All of them were native speakers
 ```
 ### Contributions
 
-Thanks to [@jamespaultg](https://github.com/jamespaultg) for adding this dataset.
+Thanks to [@jamespaultg](https://github.com/jamespaultg) for adding this dataset.