From e545c7052c7d7f4f0ed654e6279f43a247f32a54 Mon Sep 17 00:00:00 2001
From: John Helmert <jchelmertt3@gmail.com>
Date: Fri, 7 Jun 2019 11:39:09 -0500
Subject: [PATCH] Fix Github issue #695

Caused by Page.move_to_bottom() setting self.nav.page_index to -1, only
possible when there are no comments on a submission, but which also
caused a crash when rendering.
---
 rtv/page.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/rtv/page.py b/rtv/page.py
index bf21377..f9ab5bd 100644
--- a/rtv/page.py
+++ b/rtv/page.py
@@ -236,6 +236,12 @@ class Page(object):
         """
         Move the cursor to the last item on the page.
         """
+
+        # If the page is empty, don't try to go to the bottom, rtv will
+        # crash when rendering
+        if self.content.range[1] < 0:
+            return
+
         self.nav.page_index = self.content.range[1]
         self.nav.cursor_index = 0
         self.nav.inverted = True