Update ennead/models/thread.py

Co-Authored-By: Goldstein <mouse-art@ya.ru>

Author: VorontsovIE

ennead/models/thread.py

@@ -31,7 +31,7 @@ def ordered_posts(self, show_hidden=False):
         if show_hidden:
             posts = filter(lambda post: not post.hidden, posts)
         posts = sorted(posts, key=lambda post: post.date)
-        return list(posts)
+        return posts