Fix single-part upload

ia-upload-stream

@@ -241,7 +241,7 @@ def upload(item, filename, metadata, *, iaConfigFile = None, partSize = 100*1024
 	# If the file is only a single part anyway, use the normal PUT API instead of multipart because IA can process that *much* faster.
 	if uploadId is None and parts is None and complete and size < partSize:
 		logger.info(f'Uploading in one piece ({size} bytes)')
-		partNumber, eTag = upload_one(url, None, 0, data, contentMd5, size, {**initialHeaders, **extraHeaders}, progress, tries, partTimeout)
+		partNumber, eTag, _ = upload_one(url, None, 0, data, contentMd5, size, {**initialHeaders, **extraHeaders}, progress, tries, partTimeout)
 		logger.info(f'Upload OK, ETag: {eTag}')
 		logger.info('Done!')
 		return