@@ -0,0 +1,416 @@
+# -*- coding: utf-8 -*-%0A# Generated by Django 1.9.2 on 2016-04-04 09:32%0Afrom __future__ import unicode_literals%0A%0Afrom django.db import migrations%0A%0A%0Aclass Migration(migrations.Migration):%0A%0A    dependencies = %5B%0A        ('users', '0017_auto_20160208_1751'),%0A    %5D%0A%0A    operations = %5B%0A        migrations.RunSQL(%0A            %22UPDATE users_role SET permissions = ARRAY_REMOVE(permissions, 'vote_issues')%22%0A        ),%0A    %5D%0A

Clean user role permissions: remove vote_issues in Role.permissions