Reverse Flip Breaks on Circle

[lewi0622]

Vpype Version: 1.15.0
Python Version: 3.13.10

Svg attached here:
On a circle, the command 'reverse -f' fails. It succeeds when the flip option isn't used. Use the following command to see the error:

vpype read simple_circle.svg reverse  -f show

The following error is thrown:

Traceback (most recent call last):
  File "<frozen runpy>", line 198, in _run_module_as_main
  File "<frozen runpy>", line 88, in _run_code
  File "c:\users\ericl\.local\bin\vpype.exe\__main__.py", line 6, in <module>
    sys.exit(cli())
             ~~~^^
  File "C:\Users\ericl\pipx\venvs\vpype\Lib\site-packages\click\core.py", line 1485, in __call__
    return self.main(*args, **kwargs)
           ~~~~~~~~~^^^^^^^^^^^^^^^^^
  File "C:\Users\ericl\pipx\venvs\vpype\Lib\site-packages\vpype_cli\cli.py", line 87, in main
    return super().main(args=preprocess_argument_list(args), **extra)
           ~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\ericl\pipx\venvs\vpype\Lib\site-packages\click\core.py", line 1406, in main
    rv = self.invoke(ctx)
  File "C:\Users\ericl\pipx\venvs\vpype\Lib\site-packages\click\core.py", line 1905, in invoke
    return _process_result(rv)
  File "C:\Users\ericl\pipx\venvs\vpype\Lib\site-packages\click\core.py", line 1842, in _process_result
    value = ctx.invoke(self._result_callback, value, **ctx.params)
  File "C:\Users\ericl\pipx\venvs\vpype\Lib\site-packages\click\core.py", line 824, in invoke
    return callback(*args, **kwargs)
  File "C:\Users\ericl\pipx\venvs\vpype\Lib\site-packages\vpype_cli\cli.py", line 258, in process_pipeline
    execute_processors(processors, State())
    ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\ericl\pipx\venvs\vpype\Lib\site-packages\vpype_cli\cli.py", line 342, in execute_processors
    cast(Callable, proc)(state)
    ~~~~~~~~~~~~~~~~~~~~^^^^^^^
  File "C:\Users\ericl\pipx\venvs\vpype\Lib\site-packages\vpype_cli\decorators.py", line 160, in global_processor
    state.document = f(state.document, *new_args, **new_kwargs)
                     ~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\ericl\pipx\venvs\vpype\Lib\site-packages\vpype_cli\show.py", line 121, in show
    vpype_viewer.show(
    ~~~~~~~~~~~~~~~~~^
        document, view_mode=view_mode, show_pen_up=show_pen_up, show_points=show_points
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
  File "C:\Users\ericl\pipx\venvs\vpype\Lib\site-packages\vpype_viewer\qtviewer\viewer.py", line 547, in show
    widget.show()
    ~~~~~~~~~~~^^
  File "C:\Users\ericl\pipx\venvs\vpype\Lib\site-packages\vpype_viewer\qtviewer\viewer.py", line 238, in event
    return super().event(event)
           ~~~~~~~~~~~~~^^^^^^^
  File "C:\Users\ericl\pipx\venvs\vpype\Lib\site-packages\vpype_viewer\qtviewer\viewer.py", line 238, in event
    return super().event(event)
           ~~~~~~~~~~~~~^^^^^^^
  File "C:\Users\ericl\pipx\venvs\vpype\Lib\site-packages\vpype_viewer\qtviewer\viewer.py", line 238, in event
    return super().event(event)
           ~~~~~~~~~~~~~^^^^^^^
  [Previous line repeated 1 more time]
  File "C:\Users\ericl\pipx\venvs\vpype\Lib\site-packages\vpype_viewer\qtviewer\viewer.py", line 162, in paintGL
    self.engine.render()
    ~~~~~~~~~~~~~~~~~~^^
  File "C:\Users\ericl\pipx\venvs\vpype\Lib\site-packages\vpype_viewer\engine.py", line 413, in render
    self._rebuild()
    ~~~~~~~~~~~~~^^
  File "C:\Users\ericl\pipx\venvs\vpype\Lib\site-packages\vpype_viewer\engine.py", line 501, in _rebuild
    LineCollectionPreviewPainter(
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
        self._ctx, lc=lc, pen_width=pen_width, color=layer_color
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
  File "C:\Users\ericl\pipx\venvs\vpype\Lib\site-packages\vpype_viewer\_painters.py", line 296, in __init__
    vertices, indices = self._build_buffers(lc)
                        ~~~~~~~~~~~~~~~~~~~^^^^
  File "C:\Users\ericl\pipx\venvs\vpype\Lib\site-packages\vpype_viewer\_painters.py", line 346, in _build_buffers
    np.vstack([vp.as_vector(line).astype("f4") for line in lc]),
               ~~~~~~~~~~~~^^^^^^
  File "C:\Users\ericl\pipx\venvs\vpype\Lib\site-packages\vpype\model.py", line 44, in as_vector
    return a.view(dtype=float).reshape(len(a), 2)
           ~~~~~~^^^^^^^^^^^^^
ValueError: Error calling Python override of QOpenGLWidget::event(): Error calling Python override of QOpenGLWidget::event(): Error calling Python override of QOpenGLWidget::event(): Error calling Python override of QOpenGLWidget::event(): Error calling Python override of QOpenGLWidget::paintGL(): To change to a dtype of a different size, the last axis must be contiguous