Django Error: Reverse for 'login' not found. 'login' is not a valid view function or pattern name

It gives the error: Reverse for 'login' not found. 'login' is not a valid view function or pattern name.

urls.py

urlpatterns = [
    path('admin/', admin.site.urls),
    path('', include('App.urls')),
    path('accounts/', include(('django.contrib.auth.urls', 'django.contrib.auth'), namespace='login')),
    path('accounts/', include('Account.urls')),
] 

index.html

<a href="{% url 'login' %}"><h3 class="agileinfo_sign">Sign In </h3></a>