From d3072a23d460524e9bb64b8724afbd0b2c44e305 Mon Sep 17 00:00:00 2001
From: ks129 <45097959+ks129@users.noreply.github.com>
Date: Sun, 17 May 2020 10:58:54 +0300
Subject: PEP Improvisations: Fix cache if statement

Add `not` in check is key exist in cache.
---
 bot/utils/cache.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bot/utils/cache.py b/bot/utils/cache.py
index 1c0935faa..96e1aef95 100644
--- a/bot/utils/cache.py
+++ b/bot/utils/cache.py
@@ -21,7 +21,7 @@ def async_cache(max_size: int = 128, arg_offset: int = 0) -> Callable:
             """Decorator wrapper for the caching logic."""
             key = ':'.join(str(args[arg_offset:]))
 
-            if key in async_cache.cache:
+            if key not in async_cache.cache:
                 if len(async_cache.cache) > max_size:
                     async_cache.cache.popitem(last=False)
 
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