About Sitemap Pagination

# urls.py
from django.urls import path
from django.contrib.sitemaps import GenericSitemap
from django.contrib.sitemaps import views as sitemaps_views

from myapp.models import Item

info_dict = {
    "queryset": Item.objects.published(),
    "date_field": "modified",
}

class PaginatedSitemap(GenericSitemap):
    limit = 50

sitemaps = {"items": PaginatedSitemap(info_dict, priority=1.0)}

urlpatterns = [
    path("sitemap.xml", 
        sitemaps_views.index,
        {"sitemaps": sitemaps},
        name="django.contrib.sitemaps.views.index"
    ),
    path("sitemap-<section>.xml", 
        sitemaps_views.sitemap, 
        {"sitemaps": sitemaps},
        name="django.contrib.sitemaps.views.sitemap"
    ),
]