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@@ -131,9 +131,9 @@ def extract_lsbs(data):
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for chunk in chunks(data, 2):
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tmp_byte = 0
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- for i, byte in zip(range(len(chunk)), chunk):
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+ for byte in chunk:
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for n in range(4):
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- tmp_byte |= 1 << ((byte >> (i + n)) & 1)
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+ tmp_byte |= 1 << ((byte >> n) & 1)
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buffer.append(tmp_byte & 255)
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