Redirects with 404

# settings.py
INSTALLED_APPS = [
    ...
    'django.contrib.redirects',
]
MIDDLEWARE = [
    ...
    'shared.middleware.redirect.RedirectFallbackMiddleware',
    ...
]


# shared.middleware.redirect.py
from django.conf import settings
from django.contrib.redirects.models import Redirect
from django.contrib.sites.shortcuts import get_current_site
from django.http import HttpResponseGone, HttpResponsePermanentRedirect
from django.utils.deprecation import MiddlewareMixin

__all__ = ('RedirectFallbackMiddleware', )


class RedirectFallbackMiddleware(MiddlewareMixin):
    response_gone_class = HttpResponseGone
    response_redirect_class = HttpResponsePermanentRedirect

    def process_response(self, request, response):
        full_path = request.get_full_path()
        current_site = get_current_site(request)

        redirect = None
        try:
            redirect = (
                Redirect
                .objects
                .get(site=current_site, old_path=full_path)
            )
        except Redirect.DoesNotExist:
            pass

        if (
            redirect is None
            and settings.APPEND_SLASH
            and not request.path.endswith('/')
        ):
            try:
                redirect = (
                    Redirect
                    .objects
                    .get(
                        site=current_site,
                        old_path=request.get_full_path(force_append_slash=True),
                    )
                )
            except Redirect.DoesNotExist:
                pass

        if redirect is not None:
            if redirect.new_path == '':
                return self.response_gone_class()
            return self.response_redirect_class(redirect.new_path)

        # No redirect was found. Return the response.
        return response