slight change to support uploading of files with incomplete metadata
slight change to support uploading of files with incomplete metadata

4dn-dcic/fourfront,4dn-dcic/fourfront,hms-dbmi/fourfront,4dn-dcic/fourfront,4dn-dcic/fourfront,hms-dbmi/fourfront,hms-dbmi/fourfront,hms-dbmi/fourfront,hms-dbmi/fourfront