fix model dependencies

billard/migrations/0025_auto_20180211_1059.py

@@ -0,0 +1,31 @@
+# Generated by Django 2.0.2 on 2018-02-11 10:59
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('billard', '0024_auto_20180210_1105'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='accounting',
+            name='desk',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='billard.Desk',
+                                    verbose_name='Tisch'),
+        ),
+        migrations.AlterField(
+            model_name='client',
+            name='location',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='clients',
+                                    to='billard.Location', verbose_name='Standort'),
+        ),
+        migrations.AlterField(
+            model_name='desk',
+            name='client',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='desks',
+                                    to='billard.Client', verbose_name='Client'),
+        ),
+    ]