gistfile1.txt

Traceback (most recent call last):
  File "/usr/lib/python-exec/python3.11/gertty", line 10, in <module>
    sys.exit(main())
             ^^^^^^
  File "/usr/lib/python3.11/site-packages/gertty/app.py", line 943, in main
    g.run()
  File "/usr/lib/python3.11/site-packages/gertty/app.py", line 362, in run
    self.loop.run()
  File "/usr/lib/python3.11/site-packages/urwid/event_loop/main_loop.py", line 343, in run
    self._run()
  File "/usr/lib/python3.11/site-packages/urwid/event_loop/main_loop.py", line 445, in _run
    self.event_loop.run()
  File "/usr/lib/python3.11/site-packages/urwid/event_loop/select_loop.py", line 182, in run
    self._loop()
  File "/usr/lib/python3.11/site-packages/urwid/event_loop/select_loop.py", line 218, in _loop
    self._entering_idle()
  File "/usr/lib/python3.11/site-packages/urwid/event_loop/select_loop.py", line 171, in _entering_idle
    callback()
  File "/usr/lib/python3.11/site-packages/urwid/event_loop/main_loop.py", line 652, in entering_idle
    self.draw_screen()
  File "/usr/lib/python3.11/site-packages/urwid/event_loop/main_loop.py", line 669, in draw_screen
    canvas = self._topmost_widget.render(self.screen_size, focus=True)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/urwid/widget/widget.py", line 112, in cached_render
    canv = fn(self, size, focus=focus)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/urwid/widget/frame.py", line 408, in render
    body = self.body.render((maxcol, maxrow - ftrim - htrim), focus and self.focus_part == "body")
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/urwid/widget/widget.py", line 112, in cached_render
    canv = fn(self, size, focus=focus)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/urwid/widget/overlay.py", line 792, in render
    top_c = self.top_w.render(self.top_w_size(real_size, left, right, top, bottom), focus)
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/urwid/widget/widget.py", line 112, in cached_render
    canv = fn(self, size, focus=focus)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/urwid/widget/widget.py", line 780, in render
    canv = get_delegate(self).render(size, focus=focus)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/urwid/widget/widget.py", line 112, in cached_render
    canv = fn(self, size, focus=focus)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/urwid/widget/widget.py", line 780, in render
    canv = get_delegate(self).render(size, focus=focus)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/urwid/widget/widget.py", line 112, in cached_render
    canv = fn(self, size, focus=focus)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/urwid/widget/pile.py", line 816, in render
    canv = w.render(w_size, focus=focus and item_focus)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/urwid/widget/widget.py", line 112, in cached_render
    canv = fn(self, size, focus=focus)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/urwid/widget/columns.py", line 931, in render
    w.render(w_size, focus=focus and self.focus_position == i),
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/urwid/widget/widget.py", line 112, in cached_render
    canv = fn(self, size, focus=focus)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/urwid/widget/filler.py", line 239, in render
    canv = self._original_widget.render((maxcol,), focus)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/urwid/widget/widget.py", line 112, in cached_render
    canv = fn(self, size, focus=focus)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/urwid/widget/pile.py", line 809, in render
    _widths, heights, size_args = self.get_rows_sizes(size, focus)
                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/urwid/widget/pile.py", line 716, in get_rows_sizes
    heights.append(w.pack(w_h_arg, item_focus)[1])
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/urwid/widget/columns.py", line 903, in pack
    return super().pack(size, focus)
           ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/urwid/widget/widget.py", line 519, in pack
    raise WidgetError(f"Cannot pack (maxcol,) size, this is not a flow widget: {self!r}")
urwid.widget.widget.WidgetError: Cannot pack (maxcol,) size, this is not a flow widget: <Columns selectable fixed widget>