Skip pillow animation test if pillow not importable

dstansby · dstansby · commit 05acc6f8e1ac · 2018-04-06T14:10:57.000+01:00
diff --git a/lib/matplotlib/tests/test_animation.py b/lib/matplotlib/tests/test_animation.py
@@ -136,6 +136,8 @@ def isAvailable(self):
 # matplotlib.testing.image_comparison
 @pytest.mark.parametrize('writer, output', WRITER_OUTPUT)
 def test_save_animation_smoketest(tmpdir, writer, output):
+    if writer == 'pillow':
+        pytest.importorskip("PIL")
     try:
         # for ImageMagick the rcparams must be patched to account for
         # 'convert' being a built in MS tool, not the imagemagick
