def METHOD_NAME(key):
    """Looks up the hashed asset key in rev-manifest-css.json
    If the key doesn't exist there, then just return the key to the static file
    without a hash"""
    assets = json.load(open(settings.DIST_DIR + '/fec/static/css/rev-manifest-css.json'))
    if key in assets:
        return '/static/css/' + assets[key]
    else:
        return key