[issue5391] mmap: read_byte/write_byte and object type

[STINNER Victor]

STINNER Victor <victor.stinner at haypocalc.com> added the comment:

So <mmap object>.read_byte() gives a byte string of 1 byte, ok. Port 
from Python2 will be easier.

The patch looks correct, thanks for updating it. We know have to wait 
for #5666 :-)

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