Changed thread_new to get_thread() in the post model

boards/models/post.py

@@ -99,7 +99,7 b' class PostManager(models.Manager):'
         Delete post and update or delete its thread
         """
 
-        thread = post.thread_new
+        thread = post.get_thread()
 
         if post.is_opening():
             thread.delete_with_posts()
@@ -150,7 +150,7 b' class PostManager(models.Manager):'
                 referenced_post.last_edit_time = post.pub_time
                 referenced_post.save()
 
-                referenced_thread = referenced_post.thread_new
+                referenced_thread = referenced_post.get_thread()
                 referenced_thread.last_edit_time = post.pub_time
                 referenced_thread.save()
 
@@ -253,7 +253,7 b' class Post(models.Model):'
         return self.referenced_posts.exists()
 
     def is_opening(self):
-        return self.thread_new.get_opening_post() == self
+        return self.get_thread().get_opening_post() == self
 
     def save(self, *args, **kwargs):
         """
@@ -271,7 +271,7 b' class Post(models.Model):'
     def add_tag(self, tag):
         edit_time = timezone.now()
 
-        thread = self.thread_new
+        thread = self.get_thread()
         thread.add_tag(tag)
         self.last_edit_time = edit_time
         self.save()
@@ -283,7 +283,7 b' class Post(models.Model):'
     def remove_tag(self, tag):
         edit_time = timezone.now()
 
-        thread = self.thread_new
+        thread = self.get_thread()
         thread.remove_tag(tag)
         self.last_edit_time = edit_time
         self.save()
@@ -301,7 +301,7 b' class Post(models.Model):'
 
         if not link:
             if not opening_id:
-                opening_post = self.thread_new.get_opening_post()
+                opening_post = self.get_thread().get_opening_post()
                 opening_id = opening_post.id
 
             if self.id != opening_id: