'series_id': ('series_id', {str}),
'timestamp': ('created_at', {parse_iso8601}),
'release_timestamp': ('released_at', {parse_iso8601}),
- 'modified_timestamp': ('updated_at', {parse_iso8601})
+ 'modified_timestamp': ('updated_at', {parse_iso8601}),
})),
**traverse_obj(rss_metadata, ('content', {
'title': ('episode_title', {str}),