

def __init__(self, app, context, old, new, callback=None):
    super(SideFileHeader, self).__init__('', on_press=callback)
    self.context = context
    col = urwid.Columns([urwid.Text(('filename', old)), urwid.Text(('filename', new))])
    map = {
        None: 'focused-filename',
        'filename': 'focused-filename',
    }
    self._w = urwid.AttrMap(old, None, focus_map=map)

dataset/ETHPy150Open openstack/gertty/gertty/view/side_diff.py SideFileHeader.__init__/VarMisuse@99/123 `col`->`old`