Add required on_delete parameters for Dj2.0 compatibility

allianceauth/groupmanagement/migrations/0007_on_delete.py

@@ -0,0 +1,36 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.5 on 2017-09-28 02:16
+from __future__ import unicode_literals
+
+import django.contrib.auth.models
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('auth', '0008_alter_user_username_max_length'),
+        ('groupmanagement', '0006_request_groups_perm'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='ProxyGroup',
+            fields=[
+            ],
+            options={
+                'verbose_name': 'group',
+                'indexes': [],
+                'proxy': True,
+                'verbose_name_plural': 'groups',
+            },
+            bases=('auth.group',),
+            managers=[
+                ('objects', django.contrib.auth.models.GroupManager()),
+            ],
+        ),
+        migrations.RemoveField(
+            model_name='grouprequest',
+            name='main_char',
+        ),
+    ]