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Fix test_imshow_pil on Windows. #14419

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Merged
dstansby merged 1 commit into from
Jun 7, 2019
Merged

Fix test_imshow_pil on Windows. #14419

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10 changes: 7 additions & 3 deletions lib/matplotlib/tests/test_image.py
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Original file line number Diff line number Diff line change
Expand Up @@ -119,13 +119,17 @@ def test_image_python_io():
def test_imshow_pil(fig_test, fig_ref):
style.use("default")
PIL = pytest.importorskip("PIL")
png_path = Path(__file__).parent / "baseline_images/pngsuite/basn3p04.png"
tiff_path = Path(__file__).parent / "baseline_images/test_image/uint16.tif"
# Pillow<=6.0 fails to open pathlib.Paths on Windows (pillow#3823), and
# Matplotlib's builtin png opener doesn't handle them either.
png_path = str(
Path(__file__).parent / "baseline_images/pngsuite/basn3p04.png")
tiff_path = str(
Path(__file__).parent / "baseline_images/test_image/uint16.tif")
axs = fig_test.subplots(2)
axs[0].imshow(PIL.Image.open(png_path))
axs[1].imshow(PIL.Image.open(tiff_path))
axs = fig_ref.subplots(2)
axs[0].imshow(plt.imread(str(png_path)))
axs[0].imshow(plt.imread(png_path))
axs[1].imshow(plt.imread(tiff_path))


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