changes to download ds in streaming mode

malayalam_wiki.py

@@ -97,6 +97,7 @@ class MalayalamWiki(datasets.GeneratorBasedBuilder):
     def _generate_examples(self, filepaths):
         """This function returns the examples in the raw (text) form by iterating on all the files."""
         for file_id, file in enumerate(filepaths):
+            logger.info("generating examples from = %s", file)
             with open(file, encoding="utf-8") as f:
                 for row_id, row in enumerate(f):
                     yield  f"{file_id}_{row_id}", {"text": self.remove_special_characters(row).strip()}