url: https://test.openml.org/api/v1/xml/data/
description : {'description': '<oml:data_set_description xmlns:oml="http://openml.org/openml">\n\t<oml:name>artificial-characters</oml:name>\n\t<oml:version>1</oml:version>\n\t<oml:description>**Author**: H. Altay Guvenir, Burak Acar, Haldun Muderrisoglu \n\n**Source**: UCI\n\n**Please cite**: \n\nDataset artificially generated by using first order theory which describes structure of ten capital letters of English alphabet</oml:description>\n\t<oml:format>ARFF</oml:format>\n\t<oml:upload_date>2015-05-21T20:58:53</oml:upload_date>\n\t<oml:licence>Public</oml:licence>\n\t<oml:default_target_attribute>Class</oml:default_target_attribute>\n\t<oml:tag>study_14</oml:tag>\n\t<oml:visibility>public</oml:visibility>\n</oml:data_set_description>', 'dataset': <_io.BufferedReader name='/home/kadraa/.openml/cache/datasets/61/dataset.arff'>}
status code: 200
I am getting this response from the test server when trying to upload a dataset. It has multiple root elements.