From e8d7a226516430dc13c5d6d92f80e50ed5f51b5d Mon Sep 17 00:00:00 2001
From: hadrianl <137150224@qq.com>
Date: Wed, 23 Dec 2020 11:01:31 +0800
Subject: [PATCH] fix _adjust_size

---
 qlib/data/cache.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/qlib/data/cache.py b/qlib/data/cache.py
index a50b1345e..6433127f4 100644
--- a/qlib/data/cache.py
+++ b/qlib/data/cache.py
@@ -108,7 +108,7 @@ class MemCacheUnit(abc.ABC):
 
     def _adjust_size(self, key, value):
         if key in self.od:
-            self._size -= sys.getsizeof(self.od[key])
+            self._size -= self._get_value_size(self.od[key])
 
         self._size += self._get_value_size(value)