fix bad ref

suchwow/routes/post.py

@@ -25,7 +25,7 @@ def read(id):
     post = Post.select().where(Post.id == id).first()
     if post:
         if not post.approved:
-            if not is_moderator(get_session_user()):
+            if not User.select().where(User.username == get_session_user()).first().moderator:
                 flash("That post has not been approved.", "is-warning")
                 return redirect("/")
         qr_uri = f'wownero:{post.address}?tx_description=suchwow%20post%20{post.id}'