deferred_style: use bz2 and zlib module instead of python2 only syntax

32 jobs for feat/backports-py3 in 0 seconds
Status Job ID Name Coverage
  External
passed ERP5.CodingStyleTest-TestRunner2

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failed ERP5.UnitTest-TestRunner2

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failed ERP5.UnitTest-Zope2-ForTestRunner2

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passed ERP5.CodingStyleTest-TestRunner2

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passed ERP5.CodingStyleTest-TestRunner2

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passed ERP5.CodingStyleTest-TestRunner2

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passed ERP5.CodingStyleTest-TestRunner2

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passed ERP5.CodingStyleTest-TestRunner2

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passed ERP5.CodingStyleTest-TestRunner2

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passed ERP5.CodingStyleTest-TestRunner2

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passed ERP5.CodingStyleTest-TestRunner2

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passed ERP5.CodingStyleTest-TestRunner2

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failed ERP5.UnitTest-TestRunner2

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failed ERP5.UnitTest-TestRunner2

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failed ERP5.UnitTest-TestRunner2

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failed ERP5.UnitTest-TestRunner2

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failed ERP5.UnitTest-TestRunner2

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failed ERP5.UnitTest-TestRunner2

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failed ERP5.UnitTest-TestRunner2

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failed ERP5.UnitTest-TestRunner2

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failed ERP5.UnitTest-TestRunner2

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failed ERP5.UnitTest-TestRunner2

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canceled ERP5.UnitTest-TestRunner2

failed ERP5.UnitTest-Zope2-ForTestRunner2

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failed ERP5.UnitTest-Zope2-ForTestRunner2

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failed ERP5.UnitTest-Zope2-ForTestRunner2

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failed ERP5.UnitTest-Zope2-ForTestRunner2

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failed ERP5.UnitTest-Zope2-ForTestRunner2

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failed ERP5.UnitTest-Zope2-ForTestRunner2

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failed ERP5.UnitTest-Zope2-ForTestRunner2

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failed ERP5.UnitTest-Zope2-ForTestRunner2

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