Fixed #12164 -- Removed the Python 2.3 compatibility imports and workarounds....

from django.utils.safestring import mark_safe

from django.utils.text import capfirst

from django.utils.translation import ugettext_lazy, ugettext as _

try:

    set

except NameError:

    from sets import Set as set     # Python 2.3 fallback

def delete_selected(modeladmin, request, queryset):

    """

from django.utils.translation import ugettext as _

from django.utils.translation import ungettext, ugettext_lazy

from django.utils.encoding import force_unicode

try:

    set

except NameError:

    from sets import Set as set     # Python 2.3 fallback

HORIZONTAL, VERTICAL = 1, 2

# returns the <ul> class for a given radio_admin field

from django.utils.translation import ugettext_lazy, ugettext as _

from django.views.decorators.cache import never_cache

from django.conf import settings

try:

    set

except NameError:

    from sets import Set as set     # Python 2.3 fallback

ERROR_MESSAGE = ugettext_lazy("Please enter a correct username and password. Note that both fields are case-sensitive.")

LOGIN_FORM_KEY = 'this_is_the_login_form'

try:

    from functools import wraps

except ImportError:

    from django.utils.functional import wraps  # Python 2.3, 2.4 fallback.

    from django.utils.functional import wraps  # Python 2.4 fallback.

from django import http, template

from django.conf import settings

from django.utils.http import urlencode

import operator

try:

    set

except NameError:

    from sets import Set as set   # Python 2.3 fallback

# The system will display a "Show all" link on the change list only if the

# total result count is less than or equal to this setting.

MAX_SHOW_ALL_ALLOWED = 200