new_contents: # -*- coding: utf-8 -*-
  from __future__ import unicode_literals
  
  from django.db import models, migrations
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('crowdsourcing', '0046_requesterexperiment_taskranking_workerexperiment'),
      ]
  
      operations = [
          migrations.RemoveField(
              model_name='taskranking',
              name='task',
          ),
          migrations.RemoveField(
              model_name='taskranking',
              name='worker',
          ),
          migrations.RenameField(
              model_name='workerexperiment',
              old_name='requester',
              new_name='worker',
          ),
          migrations.DeleteModel(
              name='TaskRanking',
          ),
      ]
  
subject: update experiment models