From 333849e5a363e6e601996fc0f70c4e2f3ddf1b46 Mon Sep 17 00:00:00 2001
From: Rapptz <rapptz@gmail.com>
Date: Fri, 11 Mar 2022 10:26:16 -0500
Subject: [PATCH] Unbind bound methods passed to Command constructor

Fixes #7600
---
 discord/app_commands/commands.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/discord/app_commands/commands.py b/discord/app_commands/commands.py
index b766c07e4..32b63889d 100644
--- a/discord/app_commands/commands.py
+++ b/discord/app_commands/commands.py
@@ -365,6 +365,14 @@ class Command(Generic[GroupT, P, T]):
         self.parent: Optional[Group] = parent
         self.binding: Optional[GroupT] = None
         self.on_error: Optional[Error[GroupT]] = None
+
+        # Unwrap __self__ for bound methods
+        try:
+            self.binding = callback.__self__
+            self._callback = callback = callback.__func__
+        except AttributeError:
+            pass
+
         self._params: Dict[str, CommandParameter] = _extract_parameters_from_callback(callback, callback.__globals__)
         self._guild_ids: Optional[List[int]] = guild_ids or getattr(
             callback, '__discord_app_commands_default_guilds__', None