Increase length of edx_id field

VEDA_OS01/migrations/0006_auto_20180115_0815.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.9 on 2018-01-15 08:15
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('VEDA_OS01', '0005_auto_20171127_0856'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='video',
+            name='edx_id',
+            field=models.CharField(max_length=255, verbose_name=b'VEDA Video ID'),
+        ),
+    ]

VEDA_OS01/models.py

@@ -434,7 +434,7 @@ class Video(models.Model):
         max_length=180,
         null=True, blank=True
     )
-    edx_id = models.CharField('VEDA Video ID', max_length=20)
+    edx_id = models.CharField('VEDA Video ID', max_length=255)
     studio_id = models.CharField(
         'Studio Upload ID',
         max_length=100,