重构

announcement/serializers.py

@@ -1,9 +1,10 @@
 # coding=utf-8
+from __future__ import unicode_literals
+
 from rest_framework import serializers
 
 from account.models import User
 from utils.serializers import DateTimeTZField
-
 from .models import Announcement
 
 
@@ -31,4 +32,4 @@ class EditAnnouncementSerializer(serializers.Serializer):
     id = serializers.IntegerField()
     title = serializers.CharField(max_length=50)
     content = serializers.CharField(max_length=10000)
-    visible = serializers.BooleanField()
+    visible = serializers.BooleanField()