[docs] [issue30754] textwrap.dedent mishandles empty lines

[sushma]

Change by sushma <sushma.y at gmail.com>:


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keywords: +patch
pull_requests: +14286
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/14469

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue30754>
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