Fix config.

earwigbot/managers.py

@@ -225,7 +225,7 @@ class CommandManager(_ResourceManager):
         .. note::
            The special ``rc`` hook actually passes a :class:`~.RC` object.
         """
-        if data.chan in self.bot.config.irc.get("quiet", []):
+        if data.chan in self.bot.config.irc["frontend"].get("quiet", []):
             return
         for command in self:
             if hook in command.hooks and self._wrap_check(command, data):