From 690ccd246e12d18a8c804b0802772f4a66a96bb8 Mon Sep 17 00:00:00 2001
From: ks129 <45097959+ks129@users.noreply.github.com>
Date: Wed, 2 Dec 2020 18:43:22 +0200
Subject: Fix removing extensions and cogs for bot shutdown

---
 bot/bot.py | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/bot/bot.py b/bot/bot.py
index cdb4e72a9..06b1bd6e0 100644
--- a/bot/bot.py
+++ b/bot/bot.py
@@ -175,9 +175,13 @@ class Bot(commands.Bot):
     async def close(self) -> None:
         """Close the Discord connection and the aiohttp session, connector, statsd client, and resolver."""
         # Done before super().close() to allow tasks finish before the HTTP session closes.
-        with suppress(Exception):
-            [self.unload_extension(ext) for ext in tuple(self.extensions)]
-            [self.remove_cog(cog) for cog in tuple(self.cogs)]
+        for ext in list(self.extensions):
+            with suppress(Exception):
+                self.unload_extension(ext)
+
+        for cog in list(self.cogs):
+            with suppress(Exception):
+                self.remove_cog(cog)
 
         # Wait until all tasks that have to be completed before bot is closing is done
         log.trace("Waiting for tasks before closing.")
-- 
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