Slightly modified change [15698] to use ugettext_lazy since it's a module...

from django.core.paginator import Paginator, InvalidPage

from django.db import models

from django.utils.encoding import force_unicode, smart_str

from django.utils.translation import ugettext

from django.utils.translation import ugettext, ugettext_lazy

from django.utils.http import urlencode

import operator

ERROR_FLAG = 'e'

# Text to display within change-list table cells if the value is blank.

EMPTY_CHANGELIST_VALUE = ugettext('(None)')

EMPTY_CHANGELIST_VALUE = ugettext_lazy('(None)')

class ChangeList(object):

    def __init__(self, request, model, list_display, list_display_links, list_filter, date_hierarchy, search_fields, list_select_related, list_per_page, list_editable, model_admin):