I was trying to have a different color for my main logger name from it's libraries and discovered that set_level is a culprit that causes log duplication. Is this a bug?

Gist - https://gist.github.com/daegontaven/4353436dc7be3eb9e64e3a8b6ac813fd
Interactive Example - https://repl.it/@daegontaven/VerboseLogs