[py3] Fixed egg template loader.

# Wrapper for loading templates from eggs via pkg_resources.resource_string.

from __future__ import unicode_literals

try:

    from pkg_resources import resource_string

except ImportError:

    resource_string = None

from django.conf import settings

from django.template.base import TemplateDoesNotExist

from django.template.loader import BaseLoader

from django.conf import settings

from django.utils import six

class Loader(BaseLoader):

    is_usable = resource_string is not None

            pkg_name = 'templates/' + template_name

            for app in settings.INSTALLED_APPS:

                try:

                    return (resource_string(app, pkg_name).decode(settings.FILE_CHARSET), 'egg:%s:%s' % (app, pkg_name))

                except:

                    pass

                    resource = resource_string(app, pkg_name)

                except Exception:

                    continue

                if not six.PY3:

                    resource = resource.decode(settings.FILE_CHARSET)

                return (resource, 'egg:%s:%s' % (app, pkg_name))

        raise TemplateDoesNotExist(template_name)

_loader = Loader()