Anpassungen des Codes an Django 1.11 mit Python 3

Grapelli wurde entfernt, das neue Django Admin ist hübsch genug.

src/mahjong_ranking/migrations/0004_auto_20170218_1947.py

@@ -0,0 +1,39 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mahjong_ranking', '0003_auto_20160916_1800'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='hanchan',
+            name='comment',
+            field=models.TextField(verbose_name='Anmerkung', blank=True),
+        ),
+        migrations.AlterField(
+            model_name='hanchan',
+            name='player1_comment',
+            field=models.CharField(verbose_name='Anmerkung', max_length=255, editable=False, blank=True),
+        ),
+        migrations.AlterField(
+            model_name='hanchan',
+            name='player2_comment',
+            field=models.CharField(verbose_name='Anmerkung', max_length=255, editable=False, blank=True),
+        ),
+        migrations.AlterField(
+            model_name='hanchan',
+            name='player3_comment',
+            field=models.CharField(verbose_name='Anmerkung', max_length=255, editable=False, blank=True),
+        ),
+        migrations.AlterField(
+            model_name='hanchan',
+            name='player4_comment',
+            field=models.CharField(verbose_name='Anmerkung', max_length=255, editable=False, blank=True),
+        ),
+    ]