Traceback (most recent call last):
  File '/usr/lib/python3/dist-packages/gi/overrides/GLib.py', line 754,
    <lambda>(_=<GLib.IOChannel object at 0x7f15f784a648 (GIOChannel at
    0x22daed0)>, cond=<flags G_IO_IN of type GLib.IOCondition>, *data=())
            # backwards compatibility: Allow calling with Python file
            func_fdtransform = lambda _, cond, *data: callback(channel, cond, *data)
            real_channel = GLib.IOChannel.unix_new(channel.fileno())
    Variables (B=Builtin, G=Global, L=Local):
     - func_fdtransform (N): None
     -            _ (L): <GLib.IOChannel object at 0x7f15f784a648 (GIOChannel at
       0x22daed0)>
     -         cond (L): <flags G_IO_IN of type GLib.IOCondition>
     -         data (L): None
     -     callback (L): <bound method KeyBinder.cb_xevent of
       <quicktile.keybinder.KeyBinder object at 0x7f15f7884320>>
     -      channel (L): <Xlib.display._BaseDisplay object at 0x7f15f79745f8>

  File '/usr/local/lib/python3.6/dist-packages/quicktile/keybinder.py', line
    147, cb_xevent(self=<quicktile.keybinder.KeyBinder object>,
    src=<Xlib.display._BaseDisplay object>, cond=<flags G_IO_IN of type
    GLib.IOCondition>, handle=<Xlib.display._BaseDisplay object>)
                if xevent.type == X.KeyPress:
                    self.handle_keypress(xevent)
    Variables (B=Builtin, G=Global, L=Local):
     - self.handle_keypress (L): <bound method KeyBinder.handle_keypress of
       <quicktile.keybinder.KeyBinder object at 0x7f15f7884320>>
     -       xevent (L): <class 'Xlib.protocol.event.KeyPress'>(type = 2, detail
       = 46, sequence_number = 110, time = 39988285, root = <<class
       'Xlib.display.Window'> 0x000001de>, window = <<class
       'Xlib.display.Window'> 0x000001de>, child = <<class
       'Xlib.display.Window'> 0x00e19cf9>, root_x = 1143, root_y = 644, event_x
       = 1143, event_y = 644, state = 12, same_screen = 1)

  File '/usr/local/lib/python3.6/dist-packages/quicktile/keybinder.py', line
    169, handle_keypress(self=<quicktile.keybinder.KeyBinder object>,
    xevent=<class 'Xlib.protocol.event.KeyPress'>(type = 2,...1143, event_y =
    644, state = 12, same_screen = 1))
            # Call the associated callback
            self._keys[keysig]()
    Variables (B=Builtin, G=Global, L=Local):
     -   self._keys (L): {(19, 0): <function init.<locals>.call at
       0x7f15f7878b70>,  (19, 12): <function init.<locals>.call at
       0x7f15f7878b70>,  (19, 14): <function init.<locals>.call at
       0x7f15f7878b70>,  (19, 28): <function init.<locals>.call at
       0x7f15f7878b70>,  (19, 30): <function init.<locals>.call at
       0x7f15f7878b70>,  (29, 0): <function init.<locals>.call at
       0x7f15f7878d08>,  (29, 12): <function init.<locals>.call at
       0x7f15f7878d08>,  (29, 14): <function init.<locals>.call at
       0x7f15f7878d08>,  (29, 28): <function init.<locals>.call at
       0x7f15f7878d08>,  (29, 30): <function init.<locals>.call at
       0x7f15f7878d08>,  (30, 0): <function init.<locals>.call at
       0x7f15f7878bf8>,  (30, 12): <function init.<locals>.call at
       0x7f15f7878bf8>,  (30, 14): <function init.<locals>.call at
       0x7f15f7878bf8>,  (30, 28): <function init.<locals>.call at
       0x7f15f7878bf8>,  (30, 30): <function init.<locals>.call at
       0x7f15f7878bf8>,  (31, 0): <function init.<locals>.call at
       0x7f15f7878c80>,  (31, 12): <function init.<locals>.call at
       0x7f15f7878c80>,  (31, 14): <function init.<locals>.call at
       0x7f15f7878c80>,  (31, 28): <function init.<locals>.call at
       0x7f15f7878c80>,  (31, 30): <function init.<locals>.call at
       0x7f15f7878c80>,  (32, 0): <function init.<locals>.call at
       0x7f15f7878d90>,  (32, 12): <function init.<locals>.call at
       0x7f15f7878d90>,  (32, 14): <function init.<locals>.call at
       0x7f15f7878d90>,  (32, 28): <function init.<locals>.call at
       0x7f15f7878d90>,  (32, 30): <function init.<locals>.call at
       0x7f15f7878d90>,  (43, 0): <function init.<locals>.call at
       0x7f15f78789d8>,  (43, 12): <function init.<locals>.call at
       0x7f15f78789d8>,  (43, 14): <function init.<locals>.call at
       0x7f15f78789d8>,  (43, 28): <function init.<locals>.call at
       0x7f15f78789d8>,  (43, 30): <function init.<locals>.call at
       0x7f15f78789d8>,  (44, 0): <function init.<locals>.call at
       0x7f15f7878950>,  (44, 12): <function init.<locals>.call at
       0x7f15f7878950>,  (44, 14): <function init.<locals>.call at
       0x7f15f7878950>,  (44, 28): <function init.<locals>.call at
       0x7f15f7878950>,  (44, 30): <function init.<locals>.call at
       0x7f15f7878950>,  (45, 0): <function init.<locals>.call at
       0x7f15f7878ae8>,  (45, 12): <function init.<locals>.call at
       0x7f15f7878ae8>,  (45, 14): <function init.<locals>.call at
       0x7f15f7878ae8>,  (45, 28): <function init.<locals>.call at
       0x7f15f7878ae8>,  (45, 30): <function init.<locals>.call at
       0x7f15f7878ae8>,  (46, 0): <function init.<locals>.call at
       0x7f15f7878a60>,  (46, 12): <function init.<locals>.call at
       0x7f15f7878a60>,  (46, 14): <function init.<locals>.call at
       0x7f15f7878a60>,  (46, 28): <function init.<locals>.call at
       0x7f15f7878a60>,  (46, 30): <function init.<locals>.call at
       0x7f15f7878a60>,  (54, 0): <function init.<locals>.call at
       0x7f15f7878840>,  (54, 12): <function init.<locals>.call at
       0x7f15f7878840>,  (54, 14): <function init.<locals>.call at
       0x7f15f7878840>,  (54, 28): <function init.<locals>.call at
       0x7f15f7878840>,  (54, 30): <function init.<locals>.call at
       0x7f15f7878840>,  (57, 0): <function init.<locals>.call at
       0x7f15f7878e18>,  (57, 12): <function init.<locals>.call at
       0x7f15f7878e18>,  (57, 14): <function init.<locals>.call at
       0x7f15f7878e18>,  (57, 28): <function init.<locals>.call at
       0x7f15f7878e18>,  (57, 30): <function init.<locals>.call at
       0x7f15f7878e18>,  (58, 0): <function init.<locals>.call at
       0x7f15f78788c8>,  (58, 12): <function init.<locals>.call at
       0x7f15f78788c8>,  (58, 14): <function init.<locals>.call at
       0x7f15f78788c8>,  (58, 28): <function init.<locals>.call at
       0x7f15f78788c8>,  (58, 30): <function init.<locals>.call at
       0x7f15f78788c8>,  (59, 0): <function init.<locals>.call at
       0x7f15f7878ea0>,  (59, 12): <function init.<locals>.call at
       0x7f15f7878ea0>,  (59, 14): <function init.<locals>.call at
       0x7f15f7878ea0>,  (59, 28): <function init.<locals>.call at
       0x7f15f7878ea0>,  (59, 30): <function init.<locals>.call at
       0x7f15f7878ea0>,  (60, 0): <function init.<locals>.call at
       0x7f15f7878f28>,  (60, 12): <function init.<locals>.call at
       0x7f15f7878f28>,  (60, 14): <function init.<locals>.call at
       0x7f15f7878f28>,  (60, 28): <function init.<locals>.call at
       0x7f15f7878f28>,  (60, 30): <function init.<locals>.call at
       0x7f15f7878f28>}
     -       keysig (L): (46, 12)

  File '/usr/local/lib/python3.6/dist-packages/quicktile/keybinder.py', line
    236, call(func='right')
                       `WindowManager` instance"""
                    commands.call(func, winman)
    Variables (B=Builtin, G=Global, L=Local):
     - commands.call (L): <bound method CommandRegistry.call of
       <quicktile.commands.CommandRegistry object at 0x7f15f861e668>>
     -         func (L): 'right'
     -       winman (L): <quicktile.wm.WindowManager object at 0x7f15f78c2cf8>

  File '/usr/local/lib/python3.6/dist-packages/quicktile/commands.py', line
    188, call(self=<quicktile.commands.CommandRegistry object>, command='right',
    winman=<quicktile.wm.WindowManager object>, *args=(), **kwargs={})
                              command, args, kwargs)
                cmd(winman, *args, **kwargs)
    Variables (B=Builtin, G=Global, L=Local):
     -          cmd (L): <function cycle_dimensions at 0x7f15f796cb70>
     -       winman (L): <quicktile.wm.WindowManager object at 0x7f15f78c2cf8>
     -         args (L): None
     -       kwargs (L): None

  File '/usr/local/lib/python3.6/dist-packages/quicktile/commands.py', line
    145, wrapper(winman=<quicktile.wm.WindowManager object>, window=<Wnck.Window
    object at 0x7f15f75a9d80 (WnckWindow at 0x238c7c0)>, *args=((0.5, 0.0, 0.5,
    1), (0.667, 0.0, 0.333, 1), (0.333, 0.0, 0.667, 1)), **kwargs={})
                    func(winman, window, state, *args, **kwargs)
    Variables (B=Builtin, G=Global, L=Local):
     -         func (L): <function cycle_dimensions at 0x7f15f8616bf8>
     -       winman (L): <quicktile.wm.WindowManager object at 0x7f15f78c2cf8>
     -       window (L): <Wnck.Window object at 0x7f15f75a9d80 (WnckWindow at
       0x238c7c0)>
     -        state (L): {'cmd_idx': 4,  'cmd_name': 'right',  'config':
       <configparser.ConfigParser object at 0x7f15f7974160>,  'monitor_geom':
       <Gdk.Rectangle object at 0x7f15f784a708 (GdkRectangle at 0x2395400)>,
       'monitor_id': 1,  'usable_rect': Rectangle(x=0, y=25, width=2560,
       height=1415)}
     -         args (L): ((0.5, 0.0, 0.5, 1), (0.667, 0.0, 0.333, 1), (0.333,
       0.0, 0.667, 1))
     -       kwargs (L): None

  File '/usr/local/lib/python3.6/dist-packages/quicktile/commands.py', line
    257, cycle_dimensions(winman=<quicktile.wm.WindowManager object>,
    win=<Wnck.Window object at 0x7f15f75a9d80 (WnckWindow at 0x238c7c0)>,
    state={'cmd_idx': 4, 'cmd_name': 'right', 'config':
    <configparser.ConfigParser object>, 'monitor_geom': <Gdk.Rectangle object at
    0x7f15f784a708 (GdkRectangle at 0x2395400)>, 'monitor_id': 1, 'usable_rect':
    Rectangle(x=0, y=25, width=2560, height=1415)}, *dimensions=((0.5, 0.0, 0.5,
    1), (0.667, 0.0, 0.333, 1), (0.333, 0.0, 0.667, 1)))
        winman.set_property(win, '_QUICKTILE_CYCLE_POS',
                            json.dumps((state.get('cmd_idx', 0), pos)))
        result = Rectangle(*dims[pos]).from_relative(clip_box)
    Variables (B=Builtin, G=Global, L=Local):
     -   json.dumps (G): <function dumps at 0x7f15f8625b70>
     -    state.get (L): <built-in method get of dict object at 0x7f15f75a9c18>
     -          pos (L): None

  File '/usr/local/lib/python3.6/dist-packages/quicktile/wm.py', line 259,
    set_property(self=<quicktile.wm.WindowManager object>, win=<<class
    'Xlib.display.Window'> 0x05c0004a>, name=616, value='[4, 0]', prop_type=31,
    format_size=8)
            win, name = self._property_prep(win, name)
            win.change_property(name, prop_type, format_size, value)
            # TODO: Set an `onerror` handler and at least log an error to console
    Variables (B=Builtin, G=Global, L=Local):
     - win.change_property (L): <bound method Window.change_property of <<class
       'Xlib.display.Window'> 0x05c0004a>>
     -         name (L): 616
     -    prop_type (L): 31
     -  format_size (L): 8
     -        value (L): '[4, 0]'

  File '/usr/local/lib/python3.6/dist-packages/Xlib/xobject/drawable.py', line
    436, change_property(self=<<class 'Xlib.display.Window'> 0x05c0004a>,
    property=616, property_type=31, format=8, data='[4, 0]', mode=0,
    onerror=None)
                                   type = property_type,
                                   data = (format, data))
    Variables (B=Builtin, G=Global, L=Local):
     -         data (L): '[4, 0]'
     -       format (L): 8

  File '/usr/local/lib/python3.6/dist-packages/Xlib/protocol/rq.py', line 1347,
    __init__(self=<Xlib.protocol.request.ChangeProperty object>,
    display=<Xlib.display._BaseDisplay object>, onerror=None, *args=(),
    **keys={'data': (8, '[4, 0]'), 'mode': 0, 'property': 616, 'type': 31,
    'window': 96469066})
            self._errorhandler = onerror
            self._binary = self._request.to_binary(*args, **keys)
            self._serial = None

  File '/usr/local/lib/python3.6/dist-packages/Xlib/protocol/rq.py', line 1021,
    to_binary(self=<Xlib.protocol.rq.Struct object>, *varargs=(),
    **keys={'data': (8, '[4, 0]'), 'mode': 0, 'property': 616, 'type': 31,
    'window': 96469066})
                else:
                    v, l, fm = f.pack_value(field_args[f.name])
                var_vals[f.name] = v
    Variables (B=Builtin, G=Global, L=Local):
     -            v (N): None
     -            l (N): None
     -           fm (N): None
     - f.pack_value (L): <bound method PropertyData.pack_value of
       <Xlib.protocol.rq.PropertyData object at 0x7f1602063898>>
     -   field_args (L): {'data': (8, '[4, 0]'),  'mode': 0,  'property': 616,
       'type': 31,  'window': 96469066}
     -       f.name (L): 'data'

  File '/usr/local/lib/python3.6/dist-packages/Xlib/protocol/rq.py', line 696,
    pack_value(self=<Xlib.protocol.rq.PropertyData object>, value=(8, '[4, 0]'))
                size = fmt // 8
                a = array(array_unsigned_codes[size], val)
                data = encode_array(a)
    Variables (B=Builtin, G=Global, L=Local):
     -            a (N): None
     -        array (G): <class 'array.array'>
     - array_unsigned_codes (G): {1: 'B', 2: 'H', 4: 'I', 8: 'L'}
     -         size (L): 1
     -          val (L): '[4, 0]'
TypeError: cannot use a str to initialize an array with typecode 'B'