Ban urwid==2.4.3 as containing UI regression.

Fix urwid entities init: use correct `super()`,
hack `__super` is officially deprecated.
Method <Class>.method(self, ...) is only for fallback in corner cases
(normally not recommended to use).

nomadnet/ui/textui/Log.py

@@ -40,7 +40,7 @@ class LogTerminal(urwid.WidgetWrap):
             escape_sequence="up",
             main_loop=self.app.ui.loop,
         )
-        urwid.WidgetWrap.__init__(self, self.log_term)
+        super().__init__(self.log_term)
 
     def terminate(self):
         self.log_term.terminate()