Fix flake8 issues since release 3.6.0 Flake8 had a new release which raise new issues, namely: W504: line break after binary operator F841: local variable 'ex' is assigned to but never used W605: invalid escape sequence F821: undefined name 'buffer' (noqa seems the only way to avoid this false positive) Also pin flake8>=3.6 in our tests and make explicit that we use python3 to run flake8 tests.

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[bdist_wheel]

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universal = 1

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[check-manifest]

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ignore =

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  debian

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  debian/*

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  cubicweb.spec

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  __pkginfo__.py