UnimplementedError: ':nth-of-type' selector of type PseudoClassFunctionSelector is not implemented

[yemin82]

html:
dependency: "direct main"
description:
name: html
sha256: "3a7812d5bcd2894edf53dfaf8cd640876cf6cef50a8f238745c8b8120ea74d3a"
url: "https://pub.flutter-io.cn"
source: hosted
version: "0.15.4"

[devoncarew]

Thanks for the report! Do you happen to have a stack trace for the exception?