Backport PR #9733 on branch v2.1.x#9734

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anntzer merged 1 commit intov2.1.xfrom

auto-backport-of-pr-9733

Nov 10, 2017

Commits on Nov 9, 2017

Backport PR #9733: Allow _BackendNbAgg.show() to take keyword "block"

anntzer
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MeeseeksDev[bot]
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