From 60b495091a4da417df94e90a6c8e0df3a5d07eb7 Mon Sep 17 00:00:00 2001
From: Kowlin <10947836+Kowlin@users.noreply.github.com>
Date: Sat, 16 Apr 2022 23:05:57 +0200
Subject: [PATCH] Prevent an IndexError from occuring (#5430)
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* Prevent an IndexError from occuring

If an page value is negative it doesn't properly loop around to the end.

* Update menus.py

* I'm smart 👍
---
 redbot/core/utils/menus.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/redbot/core/utils/menus.py b/redbot/core/utils/menus.py
index 871f3bab2..a78e9633f 100644
--- a/redbot/core/utils/menus.py
+++ b/redbot/core/utils/menus.py
@@ -155,7 +155,7 @@ async def next_page(
     Function for showing next page which is suitable
     for use in ``controls`` mapping that is passed to `menu()`.
     """
-    if page == len(pages) - 1:
+    if page >= len(pages) - 1:
         page = 0  # Loop around to the first item
     else:
         page = page + 1
@@ -175,7 +175,7 @@ async def prev_page(
     Function for showing previous page which is suitable
     for use in ``controls`` mapping that is passed to `menu()`.
     """
-    if page == 0:
+    if page <= 0:
         page = len(pages) - 1  # Loop around to the last item
     else:
         page = page - 1