Refs #24324 -- Fixed get_app_template_dirs() UnicodeDecodeError on Python 2.

import os

import sys

import warnings

from collections import Counter, OrderedDict

from django.apps import apps

from django.conf import settings

from django.core.exceptions import ImproperlyConfigured

from django.utils import lru_cache, six

from django.utils import lru_cache

from django.utils._os import upath

from django.utils.deprecation import RemovedInDjango20Warning

from django.utils.functional import cached_property

from django.utils.module_loading import import_string

    dirname is the name of the subdirectory containing templates inside

    installed applications.

    """

    if six.PY2:

        fs_encoding = sys.getfilesystemencoding() or sys.getdefaultencoding()

    template_dirs = []

    for app_config in apps.get_app_configs():

        if not app_config.path:

            continue

        template_dir = os.path.join(app_config.path, dirname)

        if os.path.isdir(template_dir):

            if six.PY2:

                template_dir = template_dir.decode(fs_encoding)

            template_dirs.append(template_dir)

            template_dirs.append(upath(template_dir))

    # Immutable return value because it will be cached and shared by callers.

    return tuple(template_dirs)