(Bug) Consistent incomplete retrieval of forum threads: last post always ignored

url = 'https://api.myanimelist.net/v2/forum/topic/1973141'
response = requests.get(url, headers = {
        'X-MAL-CLIENT-ID': client_id
        })
thread_content = response.json()
print(thread_content)

{'data': {'title': 'BEFORE POSTING: Getting started with the API', 'posts': []}, 'paging': {}}

{'data': {'title': 'XML values', 'posts': [{'id': 4027418, 'number': 1, 'created_at': '2009-07-23T16:39:19+00:00', 'created_by': {'id': 173720, 'name': 'Wile', 'forum_avator': 'https://cdn.myanimelist.net//images/kaomoji_mal_white.png'}, 'body': 'Do we have to supply all values all the time? Then clients would have to download the current values first, each time they want to modify one.<br />\r\n<br />\r\nIf not, what happens to omitted values? They should be left as is rather than set to a default value.<br />\r\n<br />\r\nHow are empty elements interpreted? I&#039;d vote for error rather than omitted, and certainly not default.', 'signature': ''}]}, 'paging': {}}