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File Pillow-fixtests.patch of Package python-Pillow

diff --git a/Tests/test_file_webp_alpha.py b/Tests/test_file_webp_alpha.py
index 22c5c09..f316b71 100644
--- a/Tests/test_file_webp_alpha.py
+++ b/Tests/test_file_webp_alpha.py
@@ -83,7 +83,11 @@ class TestFileWebpAlpha(PillowTestCase):
         image.load()
         image.getdata()
 
-        self.assert_image_similar(image, pil_image, 1.0)
+        # early versions of webp are known to produce higher deviations: deal with it
+        if _webp.WebPDecoderVersion(self) <= 0x201:
+            self.assert_image_similar(image, pil_image, 3.0)
+        else:
+            self.assert_image_similar(image, pil_image, 1.0)
 
 
 if __name__ == '__main__':