@@ -0,0 +1,495 @@
+# -*- coding: utf-8 -*-%0Afrom __future__ import unicode_literals%0A%0Afrom django.db import migrations, models%0Afrom django.conf import settings%0A%0A%0Aclass Migration(migrations.Migration):%0A%0A    dependencies = %5B%0A        ('flows', '0045_populate_responded'),%0A    %5D%0A%0A    operations = %5B%0A        migrations.AlterField(%0A            model_name='flowrun',%0A            name='responded',%0A            field=models.BooleanField(default=False, help_text='Whether contact has responded in this run'),%0A        ),%0A    %5D%0A

Set FlowRun.respnoded to be non-nullable