old_contents: from olcc.models import ImportRecord
  
  """
  Inject the last import date into the request context.
  """
  def last_updated(request):
      record = ImportRecord.objects.latest()
      if record:
          return {
              'last_updated': record.created_at
          }
  
new_contents: from olcc.models import ImportRecord
  
  """
  Inject the last import date into the request context.
  """
  def last_updated(request):
      try:
          return {
              'last_updated': ImportRecord.objects.latest().created_at
          }
      except ImportRecord.DoesNotExist:
          pass
  
subject: Fix a DoesNotExist bug in the olcc context processor.