def METHOD_NAME(revision):
    """Notify the editor about the submitter uploading a new revision."""
    editable = revision.editable
    submitter = revision.user
    editor = revision.editable.editor
    if not editor:
        return
    with editor.force_user_locale():
        tpl = get_template_module('events/editing/emails/submitter_upload_notification.txt',
                                  submitter_name=submitter.first_name,
                                  timeline_url=editable.external_timeline_url,
                                  recipient_name=editor.first_name)
        email = make_email(editor.email, template=tpl)
    send_email(email, editable.event, 'Editing', log_metadata={'editable_id': editable.id})