use format string instead of concatenation

Co-authored-by: Andrew Murray <3112309+radarhere@users.noreply.github.com>
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Yay295 2023-10-23 21:46:54 -05:00 committed by GitHub
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commit 6ddf10c747
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@ -56,7 +56,7 @@ def _lut(image, lut):
lut = lut + lut + lut lut = lut + lut + lut
return image.point(lut) return image.point(lut)
else: else:
msg = "not supported for image mode " + image.mode msg = f"not supported for mode {image.mode}"
raise OSError(msg) raise OSError(msg)