old_contents: from django.views import defaults
  from sentry_sdk import capture_message
  
  
  def page_not_found(*args, **kwargs):
      capture_message("Page not found", level="error")
  
      return defaults.page_not_found(*args, **kwargs)
  
new_contents: from django.views import defaults
  from sentry_sdk import capture_message, push_scope
  
  
  def page_not_found(request, *args, **kwargs):
      with push_scope() as scope:
          scope.set_tag("type", "404")
          scope.set_extra("path", request.path)
  
          capture_message("Page not found", level="error")
  
      return defaults.page_not_found(request, *args, **kwargs)
  
subject: Set some event data on 404 logging