[issue4757] reject unicode in zlib

[flox]

flox <laxyf at yahoo.fr> added the comment:

Definitely, zlib.compress should raise a TypeError (like bz2 does).

>>> import bz2, zlib
>>> bz2.compress('abc')
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: argument 1 must be bytes or buffer, not str
>>> zlib.compress('abc')
b"x\x9cKLJ\x06\x00\x02M\x01'"

Someone can review the patch and merge it?

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nosy: +flox
versions: +Python 3.2 -Python 3.0

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