Add blank attribute to model

esi/scraper/migrations/0013_auto_20170810_1306.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.1 on 2017-08-10 13:06
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('scraper', '0012_mldata'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='spider',
+            name='media',
+            field=models.IntegerField(blank=True, default=None, null=True),
+        ),
+    ]

esi/scraper/models.py

@@ -8,7 +8,7 @@ from django_celery_beat.models import PeriodicTask
 class Spider(models.Model):
     name = models.CharField(max_length=50, default=None, null=True)
     sp_name = models.CharField(max_length=20, default=None)
-    media = models.IntegerField(default=None, null=True)
+    media = models.IntegerField(default=None, null=True, blank=True)
 
     def __str__(self):
         return self.name