addressing PR comments

Author: renoyjohnm

samples/publish_workbook.py

@@ -44,7 +44,7 @@ def main():
     parser.add_argument("--file", "-f", help="local filepath of the workbook to publish")
     parser.add_argument("--as-job", "-a", help="Publishing asynchronously", action="store_true")
     parser.add_argument("--skip-connection-check", "-c", help="Skip live connection check", action="store_true")
-    parser.add_argument("--project", help="Project within which to publish the datasource")
+    parser.add_argument("--project", help="Project within which to publish the workbook")
     parser.add_argument("--show-tabs", help="Publish workbooks with tabs displayed", action="store_true")
 
     args = parser.parse_args()

tableauserverclient/server/request_factory.py

@@ -961,8 +961,7 @@ def _generate_xml(
 
         if workbook_item.thumbnails_user_id is not None:
             workbook_element.attrib["thumbnailsUserId"] = workbook_item.thumbnails_user_id
-
-        if workbook_item.thumbnails_group_id is not None:
+        elif workbook_item.thumbnails_group_id is not None:
             workbook_element.attrib["thumbnailsGroupId"] = workbook_item.thumbnails_group_id
 
         return ET.tostring(xml_request)