Fix uncaughtException event listener
Fix uncaughtException event listener

See 1df439e

chhe/livestreamer-twitch-gui,streamlink/streamlink-twitch-gui,bastimeyer/livestreamer-twitch-gui,chhe/livestreamer-twitch-gui,bastimeyer/livestreamer-twitch-gui,chhe/livestreamer-twitch-gui,streamlink/streamlink-twitch-gui,streamlink/streamlink-twitch-gui,bastimeyer/livestreamer-twitch-gui