[Update] 维护统一的migrations

apps/terminal/migrations/0009_auto_20180326_0957.py

@@ -0,0 +1,26 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11 on 2018-03-26 01:57
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('terminal', '0008_auto_20180307_1603'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='session',
+            name='terminal',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to='terminal.Terminal'),
+        ),
+        migrations.AlterField(
+            model_name='task',
+            name='terminal',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to='terminal.Terminal'),
+        ),
+    ]