django-debug-toolbar

from .base import *  # noqa: F403, F401
# from django.apps import apps
# using apps.is_installed will result in App's arent' loaded yet error
INSTALLED_APPS.append('debug_toolbar')
MIDDLEWARE.append('debug_toolbar.middleware.DebugToolbarMiddleware')

INSTALLED_APPS.append('sslserver'')

# to enable debug toolbar if installed
if settings.DEBUG:
    if apps.is_installed("debug_toolbar"):
        import debug_toolbar
        urlpatterns = [
            path('__debug__/', include(debug_toolbar.urls)),
        ] + urlpatterns