Fixed null issue for discord uuid

GeoffreyApp/migrations/0005_auto_20200109_0154.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.1.2 on 2020-01-09 01:54
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('GeoffreyApp', '0004_auto_20191223_1610'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='player',
+            name='discord_uuid',
+            field=models.CharField(blank=True, max_length=50, null=True, unique=True),
+        ),
+    ]

GeoffreyApp/models.py

@@ -78,7 +78,7 @@ class Player(models.Model):
     Minecraft UUID
     """
 
-    discord_uuid = models.CharField(max_length=50, unique=True, blank=True)
+    discord_uuid = models.CharField(max_length=50, unique=True, blank=True, null=True)
     """
     Discord UUID
     """