[docs] [issue29407] Remove redundant ensure_future() calls in factorial example

[Roundup Robot]

Roundup Robot added the comment:


New changeset 94aa4efdf0196de9f99b6f1bd68322939d8d6974 by Berker Peksag in branch '3.5':
Issue #29407: Remove redundant ensure_future() calls in factorial example
https://github.com/python/cpython/commit/94aa4efdf0196de9f99b6f1bd68322939d8d6974


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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue29407>
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