The Post class in Pywikibot has a replies method to return a list of replies. To do this, it pulls the reply UUIDs from the initial data returned by a view-topic call on the parent topic. However, the Post's internal data must be reloaded to, for example, access content in a different format. Since view-post doesn't return the list of replies, any subsequent calls to Post.replies() will fail. To fix this, I propose that a flag, defaulting to false, be added to view-post to return reply UUIDs.