new_contents: from django.core.management.base import BaseCommand
  from couchforms.models import XFormInstance
  from dimagi.utils.couch.database import iter_docs
  from corehq.apps.commtrack.models import SupplyPointCase
  
  
  class Command(BaseCommand):
      startkey = ['ipm-senegal', 'by_type', 'XFormInstance']
      endkey = startkey + [{}]
  
      ids = [row['id'] for row in XFormInstance.get_db().view(
          "couchforms/all_submissions_by_domain",
          startkey=startkey,
          endkey=endkey,
          reduce=False
      )]
  
      to_save = []
  
      for doc in iter_docs(XFormInstance.get_db(), ids):
          if 'location_id' in doc['form'] and not doc['form']['location_id']:
              case = SupplyPointCase.get(doc['form']['case']['@case_id'])
              if case.type == 'supply-point':
                  print 'updating'
                  print 'case location_id:', case.location_id
                  print 'from:', doc['form']['location_id']
                  doc['form']['location_id'] = case.location_id
                  print 'to:', doc['form']['location_id']
                  to_save.append(doc)
  
          if len(to_save) > 500:
              XFormInstance.get_db().bulk_save(to_save)
              to_save = []
  
      if to_save:
          XFormInstance.get_db().bulk_save(to_save)
  
subject: Add command to cleanup commtrack forms