[issue10461] Use with statement throughout the docs

[SilentGhost]

SilentGhost <michael.mischurow+bpo at gmail.com> added the comment:

Patch for Doc/library/collections.rst

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Added file: http://bugs.python.org/file19665/collections.rst.diff

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue10461>
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