DOC: Fix flake8 issues in doc/source/whatsnew/v0.17.*.rst#24340

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jreback merged 4 commits intopandas-dev:masterfrom

aqurilla:fix-flake8-v017

Jan 2, 2019

Commits on Dec 18, 2018

Fix pandas #24235
aqurilla
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Commits on Jan 1, 2019

Commits on Jan 2, 2019

Updated setup.cfg noqa exception E711
aqurilla
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