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Only test alpha channel values
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@ -222,18 +222,18 @@ def test_p_la():
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assert_image_similar(alpha, comparable, 5)
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def test_p_pa():
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def test_p2pa_alpha():
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with Image.open("Tests/images/tiny.png") as im:
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assert im.mode == "P"
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im_pa = im.convert("PA")
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assert im_pa.mode == "PA"
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assert im_pa.mode == "PA"
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assert (
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im_pa.tobytes() == b"\x00\x00\x00\x00\x08\xff\x04\xff\x00\x00\x00\x00"
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b"\x06\xff\x07\xff\x00\x00\x00\x00\x02\xff\x03\xff\x00"
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b"\x00\x00\x00\x01\xff\x05\xff"
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)
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im_a = im_pa.getchannel("A")
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for x in range(4):
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alpha = 255 if x > 1 else 0
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for y in range(4):
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assert im_a.getpixel((x, y)) == alpha
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def test_matrix_illegal_conversion():
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