_______________________ test_no_numpy_warnings[contours] _______________________ignore_matplotlibrc = Nonetmpdir = local('/tmp/pytest-of-root/pytest-0/test_no_numpy_warnings_contour0')grid_type = 'contours'    @pytest.mark.parametrize('grid_type', ['lines', 'contours'])    def test_no_numpy_warnings(ignore_matplotlibrc, tmpdir, grid_type):        ax = plt.subplot(1, 1, 1, projection=WCS(TARGET_HEADER))        ax.imshow(np.zeros((100, 200)))        ax.coords.grid(color='white', grid_type=grid_type)            with pytest.warns(None) as warning_lines:>           plt.savefig(tmpdir.join('test.png').strpath)../../.tox/py37-test-image-mpldev/lib/python3.7/site-packages/astropy/visualization/wcsaxes/tests/test_misc.py:80: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ../../.tox/py37-test-image-mpldev/lib/python3.7/site-packages/matplotlib/pyplot.py:956: in savefig    fig.canvas.draw_idle()   # need this if 'transparent=True' to reset colors../../.tox/py37-test-image-mpldev/lib/python3.7/site-packages/matplotlib/backend_bases.py:2058: in draw_idle    self.draw(*args, **kwargs)../../.tox/py37-test-image-mpldev/lib/python3.7/site-packages/matplotlib/backends/backend_agg.py:406: in draw    self.figure.draw(self.renderer)../../.tox/py37-test-image-mpldev/lib/python3.7/site-packages/matplotlib/artist.py:74: in draw_wrapper    result = draw(artist, renderer, *args, **kwargs)../../.tox/py37-test-image-mpldev/lib/python3.7/site-packages/matplotlib/artist.py:51: in draw_wrapper    return draw(artist, renderer, *args, **kwargs)../../.tox/py37-test-image-mpldev/lib/python3.7/site-packages/matplotlib/figure.py:2727: in draw    renderer, self, artists, self.suppressComposite)../../.tox/py37-test-image-mpldev/lib/python3.7/site-packages/matplotlib/image.py:132: in _draw_list_compositing_images    a.draw(renderer)../../.tox/py37-test-image-mpldev/lib/python3.7/site-packages/astropy/visualization/wcsaxes/core.py:459: in draw    super().draw(renderer, **kwargs)../../.tox/py37-test-image-mpldev/lib/python3.7/site-packages/matplotlib/artist.py:51: in draw_wrapper    return draw(artist, renderer, *args, **kwargs)../../.tox/py37-test-image-mpldev/lib/python3.7/site-packages/matplotlib/_api/deprecation.py:421: in wrapper    return func(*inner_args, **inner_kwargs)../../.tox/py37-test-image-mpldev/lib/python3.7/site-packages/matplotlib/axes/_base.py:3102: in draw    mimage._draw_list_compositing_images(renderer, self, artists)../../.tox/py37-test-image-mpldev/lib/python3.7/site-packages/matplotlib/image.py:132: in _draw_list_compositing_images    a.draw(renderer)../../.tox/py37-test-image-mpldev/lib/python3.7/site-packages/matplotlib/artist.py:51: in draw_wrapper    return draw(artist, renderer, *args, **kwargs)_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <matplotlib.collections.PathCollection object at 0x7f51ca1ac128>renderer = <matplotlib.backends.backend_agg.RendererAgg object at 0x7f51cc0a0ef0>    @artist.allow_rasterization    def draw(self, renderer):>       self.set_sizes(self._sizes, self.figure.dpi)E       AttributeError: 'NoneType' object has no attribute 'dpi'

commit d49696aba62820ce4bab41ae4a8508743e39a0e4Author: Jody Klymak <...>Date:   Sun Mar 14 14:08:50 2021 -0700    New doc gallery for plot_types

# Version 1 astropy plotting style for matplotlibastropy_mpl_style_1= {# ...# Other'savefig.dpi':72,}