update requirements

billard/migrations/0021_accounting_account_user.py

@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11 on 2017-04-26 09:57
+from __future__ import unicode_literals
+
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('billard', '0020_auto_20170410_1853'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='accounting',
+            name='account_user',
+            field=models.ManyToManyField(related_name='accountings', to=settings.AUTH_USER_MODEL, verbose_name='Abr. Benutzer'),
+        ),
+    ]