"""Extend original with local classes and empty default map.
We need the empty default map because we draw the map widget
on any update, even before we actually receive map data.
"""
super().__init__(*args, **kwargs)
"""Extend original with local classes and empty default map.
We need the empty default map because we draw the map widget
on any update, even before we actually receive map data.
"""
super().__init__(*args, **kwargs)