old_contents: # -*- coding: utf-8 -*-
  # Generated by Django 1.11.3 on 2017-12-20 13:11
  from __future__ import unicode_literals
  
  from django.db import migrations, models
  import django.db.models.deletion
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('partner', '0042_auto_20171220_1305'),
      ]
  
      operations = [
          migrations.RemoveField(
              model_name='partnerauditassessment',
              name='link_report',
          ),
          migrations.RemoveField(
              model_name='partnerauditassessment',
              name='most_recent_audit_report',
          ),
          migrations.RemoveField(
              model_name='partnerauditassessment',
              name='org_audits',
          ),
          migrations.AddField(
              model_name='partnerauditreport',
              name='created_by',
              field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='audit_reports', to='account.User'),
          ),
      ]
  
new_contents: # -*- coding: utf-8 -*-
  # Generated by Django 1.11.3 on 2017-12-20 13:11
  from __future__ import unicode_literals
  
  from django.db import migrations, models
  import django.db.models.deletion
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('partner', '0042_auto_20171220_1305'),
      ]
  
      operations = [
          migrations.RemoveField(
              model_name='partnerauditassessment',
              name='link_report',
          ),
          migrations.RemoveField(
              model_name='partnerauditassessment',
              name='most_recent_audit_report',
          ),
          migrations.RemoveField(
              model_name='partnerauditassessment',
              name='org_audits',
          ),
          migrations.AddField(
              model_name='partnerauditreport',
              name='created_by',
              field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='audit_reports', to='account.User'),
          ),
      ]
  
subject: Change migration so newly added field is nullable