Migration for regex change in Django 1.10.

common/djangoapps/course_modes/migrations/0011_change_regex_for_comma_separated_ints.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.8 on 2017-12-05 14:13
+from __future__ import unicode_literals
+
+import django.core.validators
+from django.db import migrations, models
+import re
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('course_modes', '0010_archived_suggested_prices_to_charfield'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='coursemode',
+            name='suggested_prices',
+            field=models.CharField(blank=True, default=b'', max_length=255, validators=[django.core.validators.RegexValidator(re.compile('^\\d+(?:\\,\\d+)*\\Z'), code='invalid', message='Enter only digits separated by commas.')]),
+        ),
+        migrations.AlterField(
+            model_name='coursemodesarchive',
+            name='suggested_prices',
+            field=models.CharField(blank=True, default=b'', max_length=255, validators=[django.core.validators.RegexValidator(re.compile('^\\d+(?:\\,\\d+)*\\Z'), code='invalid', message='Enter only digits separated by commas.')]),
+        ),
+    ]