From 9827d6eeaf191fb4cd8a144388804617922f50f4 Mon Sep 17 00:00:00 2001
From: Rapptz <rapptz@gmail.com>
Date: Sat, 23 Feb 2019 07:41:25 -0500
Subject: [PATCH] [commands] Fix issue with decorator order with checks and
 cooldowns

Now they're just explicitly copied.
---
 discord/ext/commands/cooldowns.py | 5 +++++
 discord/ext/commands/core.py      | 4 ++++
 2 files changed, 9 insertions(+)

diff --git a/discord/ext/commands/cooldowns.py b/discord/ext/commands/cooldowns.py
index ae48b284b..9687d5f6c 100644
--- a/discord/ext/commands/cooldowns.py
+++ b/discord/ext/commands/cooldowns.py
@@ -98,6 +98,11 @@ class CooldownMapping:
         self._cache = {}
         self._cooldown = original
 
+    def copy(self):
+        ret = CooldownMapping(self._cooldown)
+        ret._cache = self._cache.copy()
+        return ret
+
     @property
     def valid(self):
         return self._cooldown is not None
diff --git a/discord/ext/commands/core.py b/discord/ext/commands/core.py
index b980b92ff..45c3eb80e 100644
--- a/discord/ext/commands/core.py
+++ b/discord/ext/commands/core.py
@@ -268,6 +268,10 @@ class Command(_BaseCommand):
         ret = self.__class__(self.callback, **self.__original_kwargs__)
         ret._before_invoke = self._before_invoke
         ret._after_invoke = self._after_invoke
+        if self.checks != ret.checks:
+            ret.checks = self.checks.copy()
+        if self._buckets != ret._buckets:
+            ret._buckets = self._buckets.copy()
         try:
             ret.on_error = self.on_error
         except AttributeError: