new_contents: # -*- coding: utf-8 -*-
  from __future__ import unicode_literals
  
  from django.db import models, migrations
  
  
  def rename_language_contactfields(apps, schema_editor):
      ContactField = apps.get_model("contacts", "ContactField")
      for contactfield in ContactField.objects.filter(label__iexact='language'):
          contactfield.label = 'User Language'
          contactfield.save()
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('contacts', '0017_remove_contact_fields'),
      ]
  
      operations = [
          migrations.RunPython(rename_language_contactfields),
      ]
  
subject: add data migration for language contactfields