should be ready | dunno about metadata jsonlines

unit-test_PDFfolder.py

@@ -91,7 +91,7 @@ class PdfFolder(datasets.GeneratorBasedBuilder):
 
         # return splits
 
-    def _generate_examples(self, archive_path, supposed_labelset):
+    def _generate_examples(self, archive_iterator, supposed_labelset):
 
         #could also get the label from somewhere else