[Debian-astro-maintainers] Bug#1074628: poliastro: tests fail with matplotlib 3.8

[Drew Parsons]

Source: poliastro
Version: 0.17.0-2
Severity: normal

poliastro is failing tests with matplotlib 3.8 from experimental

e.g.

278s /usr/lib/python3/dist-packages/numpy/ma/core.py:2360: TypeError
278s __________________________ test_axes_labels_and_title __________________________
278s 
278s     def test_axes_labels_and_title():
278s         ax = plt.gca()
278s         op = StaticOrbitPlotter(ax)
278s         ss = iss
278s >       op.plot(ss)
278s 
278s tests/tests_plotting/test_static.py:24: 
278s _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
278s /usr/lib/python3/dist-packages/poliastro/plotting/static.py:277: in plot
278s     lines = self._plot(orbit, label=label, color=color, trail=trail)
278s /usr/lib/python3/dist-packages/poliastro/plotting/_base.py:238: in _plot
278s     colors = self._get_colors(color, trail)
278s _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
278s 
278s self = <poliastro.plotting.static.StaticOrbitPlotter object at 0x7fed97072060>
278s color = None, trail = False
278s 
278s     def _get_colors(self, color, trail):
278s         if color is None:
278s             # HACK: https://stackoverflow.com/a/13831816/554319
278s >           color = next(self._ax._get_lines.prop_cycler)["color"]
278s E           AttributeError: '_process_plot_var_args' object has no attribute 'prop_cycler'
278s 
278s /usr/lib/python3/dist-packages/poliastro/plotting/static.py:73: AttributeError