完善contest和announcement单元测试

account/migrations/0009_auto_20171125_1514.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.4 on 2017-11-25 15:14
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('account', '0008_auto_20171011_1214'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='userprofile',
+            name='avatar',
+            field=models.CharField(default='/public/avatar/default.png', max_length=256),
+        ),
+    ]