From c24d01d50f78c96f1cf91a74d9cc0a8195899705 Mon Sep 17 00:00:00 2001
From: 2017alan <17210240044@fudan.edu.cn>
Date: Sat, 15 Sep 2018 17:15:25 +0800
Subject: [PATCH] fix a bug in label2index dict.

---
 fastNLP/core/preprocess.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fastNLP/core/preprocess.py b/fastNLP/core/preprocess.py
index f8142c36..e049c762 100644
--- a/fastNLP/core/preprocess.py
+++ b/fastNLP/core/preprocess.py
@@ -239,7 +239,7 @@ class SeqLabelPreprocess(BasePreprocess):
                 label2index: dict of {str, int}
         """
         # In seq labeling, both word seq and label seq need to be padded to the same length in a mini-batch.
-        label2index = DEFAULT_WORD_TO_INDEX.copy()
+        label2index = {} # DEFAULT_WORD_TO_INDEX.copy()
         word2index = DEFAULT_WORD_TO_INDEX.copy()
         for example in data:
             for word, label in zip(example[0], example[1]):
@@ -297,7 +297,7 @@ class ClassPreprocess(BasePreprocess):
 
         # build vocabulary from scratch if nothing exists
         word2index = DEFAULT_WORD_TO_INDEX.copy()
-        label2index = DEFAULT_WORD_TO_INDEX.copy()
+        label2index = {} # DEFAULT_WORD_TO_INDEX.copy()
 
         # collect every word and label
         for sent, label in data: