mmap doc gives wrong code example

[zhangyangyu]

BPO	26875
Nosy	@zware, @zhangyangyu
Files	mmap_doc.patch

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = <Date 2016-04-28.19:48:00.413>
created_at = <Date 2016-04-28.17:37:13.123>
labels = ['docs']
title = 'mmap doc gives wrong code example'
updated_at = <Date 2016-04-28.19:48:43.142>
user = 'https://github.com/zhangyangyu'

bugs.python.org fields:

activity = <Date 2016-04-28.19:48:43.142>
actor = 'zach.ware'
assignee = 'docs@python'
closed = True
closed_date = <Date 2016-04-28.19:48:00.413>
closer = 'python-dev'
components = ['Documentation']
creation = <Date 2016-04-28.17:37:13.123>
creator = 'xiang.zhang'
dependencies = []
files = ['42641']
hgrepos = []
issue_num = 26875
keywords = ['patch']
message_count = 3.0
messages = ['264438', '264445', '264446']
nosy_count = 4.0
nosy_names = ['docs@python', 'python-dev', 'zach.ware', 'xiang.zhang']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue26875'
versions = ['Python 3.5', 'Python 3.6']

[zhangyangyu]

The code given in mmap doc

import mmap

with mmap.mmap(-1, 13) as mm:
    mm.write("Hello world!")

should be

mm.write(b"Hello world!")

The *b* is left out and then causes exception.

[python-dev]

New changeset 5c8e1b98dc3f by Zachary Ware in branch '3.5':
Issue bpo-26875: Fix mmap example
https://hg.python.org/cpython/rev/5c8e1b98dc3f

New changeset aaf2ad84ae1c by Zachary Ware in branch 'default':
Closes bpo-26875: Merge with 3.5
https://hg.python.org/cpython/rev/aaf2ad84ae1c

[zware]

Thanks for the report and patch!