Remove redundant ensure_future() calls in factorial example

[berkerpeksag]

BPO	29407
Nosy	@gvanrossum, @berkerpeksag, @1st1
Files	ensure_future.diff

^{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 2017-02-01.19:35:06.449>
created_at = <Date 2017-02-01.01:09:07.058>
labels = ['type-feature', '3.7', 'docs', 'expert-asyncio']
title = 'Remove redundant ensure_future() calls in factorial example'
updated_at = <Date 2017-02-01.20:00:30.689>
user = 'https://github.com/berkerpeksag'

bugs.python.org fields:

activity = <Date 2017-02-01.20:00:30.689>
actor = 'python-dev'
assignee = 'docs@python'
closed = True
closed_date = <Date 2017-02-01.19:35:06.449>
closer = 'berker.peksag'
components = ['Documentation', 'asyncio']
creation = <Date 2017-02-01.01:09:07.058>
creator = 'berker.peksag'
dependencies = []
files = ['46471']
hgrepos = []
issue_num = 29407
keywords = ['patch']
message_count = 7.0
messages = ['286576', '286667', '286680', '286681', '286685', '286686', '286687']
nosy_count = 5.0
nosy_names = ['gvanrossum', 'docs@python', 'python-dev', 'berker.peksag', 'yselivanov']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue29407'
versions = ['Python 3.5', 'Python 3.6', 'Python 3.7']

[berkerpeksag]

Unless I'm missing something, ensure_future() calls at https://docs.python.org/3.6/library/asyncio-task.html#example-parallel-execution-of-tasks are redundant and can be removed.

Off-topic: Can we use the async/await keywords in asyncio docs now?

[gvanrossum]

LGTM, and should be committed to 3.5 and merged upwards from there.

And yes, it's time for the asyncio docs to converge on async/await everywhere, making yield from a footnoot to history.

[python-dev]

New changeset e4f6874abda6 by Berker Peksag in branch '3.5':
Issue bpo-29407: Remove redundant ensure_future() calls in factorial example
https://hg.python.org/cpython/rev/e4f6874abda6

New changeset 7196ab02b7ce by Berker Peksag in branch '3.6':
Issue bpo-29407: Merge from 3.5
https://hg.python.org/cpython/rev/7196ab02b7ce

New changeset 0990a071751f by Berker Peksag in branch 'default':
Issue bpo-29407: Merge from 3.6
https://hg.python.org/cpython/rev/0990a071751f

[berkerpeksag]

Thanks for the review, Guido.

[python-dev]

New changeset 94aa4efdf0196de9f99b6f1bd68322939d8d6974 by Berker Peksag in branch '3.6':
Issue bpo-29407: Remove redundant ensure_future() calls in factorial example
94aa4ef

New changeset 96104636fa5bd3054367d4667d86d43690c24293 by Berker Peksag in branch '3.6':
Issue bpo-29407: Merge from 3.5
9610463

[python-dev]

New changeset 94aa4efdf0196de9f99b6f1bd68322939d8d6974 by Berker Peksag in branch '3.5':
Issue bpo-29407: Remove redundant ensure_future() calls in factorial example
94aa4ef

[python-dev]

New changeset 94aa4efdf0196de9f99b6f1bd68322939d8d6974 by Berker Peksag in branch 'master':
Issue bpo-29407: Remove redundant ensure_future() calls in factorial example
94aa4ef

New changeset 96104636fa5bd3054367d4667d86d43690c24293 by Berker Peksag in branch 'master':
Issue bpo-29407: Merge from 3.5
9610463

New changeset 6b569a0de28e3c341837030d6aa739422d315a6f by Berker Peksag in branch 'master':
Issue bpo-29407: Merge from 3.6
6b569a0