debugging: print ca certs loaded into default ctx

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remove incorrect plural

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don't fail tests when www.python.org can't be validated by the system

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handle errors without a reason attribute

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use more ugly but hopefully more robust method

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disable tests that always fail on windows (#22943)

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update pydoc-topics

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2.7.9rc1

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Added tag v2.7.9rc1 for changeset 40eada278702

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add 2.7.10 news section

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