[Update] 维护统一的migrations

apps/users/migrations/0010_auto_20180606_1505.py

@@ -0,0 +1,38 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11 on 2018-06-06 07:05
+from __future__ import unicode_literals
+
+import common.utils
+from django.db import migrations, models
+
+
+def remove_deleted_group(apps, schema_editor):
+    db_alias = schema_editor.connection.alias
+    group_model = apps.get_model("users", "UserGroup")
+    group_model.objects.using(db_alias).filter(is_discard=True).delete()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('users', '0009_auto_20180517_1537'),
+    ]
+
+    operations = [
+        migrations.RunPython(
+            remove_deleted_group
+        ),
+        migrations.RemoveField(
+            model_name='usergroup',
+            name='discard_time',
+        ),
+        migrations.RemoveField(
+            model_name='usergroup',
+            name='is_discard',
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='date_expired',
+            field=models.DateTimeField(blank=True, db_index=True, default=common.utils.date_expired_default, null=True, verbose_name='Date expired'),
+        ),
+    ]