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@ -287,6 +287,7 @@ def compare_ghostscript(tmpdir, img, pdf, gsdevice="png16m", exact=True):
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check=False,
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stderr=subprocess.PIPE,
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).stderr
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assert psnr != b"0"
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psnr = float(psnr.strip(b"0"))
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assert psnr != 0 # or otherwise we would use the exact variant
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assert psnr > 50
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@ -321,6 +322,7 @@ def compare_poppler(tmpdir, img, pdf, exact=True):
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check=False,
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stderr=subprocess.PIPE,
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).stderr
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assert psnr != b"0"
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psnr = float(psnr.strip(b"0"))
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assert psnr != 0 # or otherwise we would use the exact variant
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assert psnr > 50
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@ -350,6 +352,7 @@ def compare_mupdf(tmpdir, img, pdf, exact=True, cmyk=False):
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check=False,
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stderr=subprocess.PIPE,
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).stderr
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assert psnr != b"0"
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psnr = float(psnr.strip(b"0"))
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assert psnr != 0 # or otherwise we would use the exact variant
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assert psnr > 50
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@ -410,6 +413,7 @@ def compare_pdfimages_png(tmpdir, img, pdf, exact=True):
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check=False,
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stderr=subprocess.PIPE,
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).stderr
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assert psnr != b"0"
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psnr = float(psnr.strip(b"0"))
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assert psnr != 0 # or otherwise we would use the exact variant
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assert psnr > 50
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