From ea03967de9773ae9f8fc40faa7cce4f8327a8852 Mon Sep 17 00:00:00 2001
From: MorningForest <2297662686@qq.com>
Date: Mon, 11 Apr 2022 15:22:40 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9element=E7=9A=84bug?=
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---
 fastNLP/core/metrics/element.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fastNLP/core/metrics/element.py b/fastNLP/core/metrics/element.py
index 483e9a49..58fac838 100644
--- a/fastNLP/core/metrics/element.py
+++ b/fastNLP/core/metrics/element.py
@@ -75,6 +75,7 @@ class Element:
         return self._value
 
     def get_scalar(self) -> float:
+        self._check_value_initialized()
         return self.backend.get_scalar(self._value)
 
     def fill_value(self, value):