chore: clear linting errors

dzgui/controllers/emitter.py

@@ -3,7 +3,7 @@ from typing import Union, TYPE_CHECKING
 import gi
 
 gi.require_version("Gtk", "3.0")
-from gi.repository.Gtk import ListStore
+from gi.repository.Gtk import ListStore  # noqa E402
 from gi.repository import Gdk, GObject  # noqa E402
 
 if TYPE_CHECKING:
@@ -98,16 +98,6 @@ class Emitter(GObject.GObject):
     def check_toggled(self, label: str, state: bool) -> None:
         pass
 
-    @GObject.Signal(
-        flags=GObject.SignalFlags.RUN_LAST,
-        arg_types=(
-            str,
-            bool,
-        ),
-    )
-    def check_toggled(self, label: str, state: bool) -> None:
-        pass
-
     @GObject.Signal(flags=GObject.SignalFlags.RUN_LAST, arg_types=(object,))
     def servers_loaded(self, tag: "ServerTab") -> None:
         pass