$ cd $(mktemp -d)
$ python -m venv .
$ source ./bin/activate

$ pip install -U git+https://github.com/streamlink/streamlink.git@7.1.0 >/dev/null 2>&1
$ streamlink -V
streamlink 7.1.0
$ streamlink --show-matchers=twitch
error: Plugin not found

$ pip install -U git+https://github.com/bastimeyer/streamlink.git@cli/fix-show-matchers >/dev/null 2>&1
$ streamlink -V
streamlink 7.1.0+1.g11337165
$ streamlink --show-matchers=twitch
- name: live
  pattern: https?://(?:(?!clips\.)[\w-]+\.)?twitch\.tv/(?P<channel>(?!v(?:ideos?)?/|clip/)[^/?]+)/?(?:\?|$)
- name: vod
  pattern: https?://(?:[\w-]+\.)?twitch\.tv/(?:[\w-]+/)?v(?:ideos?)?/(?P<video_id>\d+)
- name: clip
  pattern: https?://(?:clips\.twitch\.tv|(?:[\w-]+\.)?twitch\.tv/(?:[\w-]+/)?clip)/(?P<clip_id>[^/?]+)
- name: player
  pattern: https?://player\.twitch\.tv/\?.+