From 0a832cee9cd6f44afc3fec38bc63ea63cdf0acb2 Mon Sep 17 00:00:00 2001
From: DiscordLiz <47602820+DiscordLiz@users.noreply.github.com>
Date: Tue, 21 May 2019 16:52:44 -0400
Subject: [PATCH] [Utils] Allow functools.partial use with menu (#2720)

---
 redbot/core/utils/menus.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/redbot/core/utils/menus.py b/redbot/core/utils/menus.py
index b60929e09..6305b19ff 100644
--- a/redbot/core/utils/menus.py
+++ b/redbot/core/utils/menus.py
@@ -4,6 +4,7 @@
 # Ported to Red V3 by Palm\_\_ (https://github.com/palmtree5)
 import asyncio
 import contextlib
+import functools
 from typing import Union, Iterable, Optional
 import discord
 
@@ -60,7 +61,10 @@ async def menu(
     ):
         raise RuntimeError("All pages must be of the same type")
     for key, value in controls.items():
-        if not asyncio.iscoroutinefunction(value):
+        maybe_coro = value
+        if isinstance(value, functools.partial):
+            maybe_coro = value.func
+        if not asyncio.iscoroutinefunction(maybe_coro):
             raise RuntimeError("Function must be a coroutine")
     current_page = pages[page]