Remove unused paeth function
@@ -938,19 +938,5 @@ def group(s, n):
return list(zip(* [iter(s)] * n))
-def paeth(x, a, b, c):
- p = a + b - c
- pa = abs(p - a)
- pb = abs(p - b)
- pc = abs(p - c)
- if pa <= pb and pa <= pc:
- pr = a
- elif pb <= pc:
- pr = b
- else:
- pr = c
- return x - pr
-
-
if __name__ == '__main__':
unittest.main(__name__)
