#0712: 2to3 has a new "asserts" fixer that replaces deprecated names of unittest methods.

Patch by Ezio Melotti, docs by Berker Peksag.

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branch : 2.7
Issue #22575: Revise bytearray entry for 2.7.

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branch : 2.7
Issue #11694: Raise ConversionError in xdrlib as documented

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branch : 2.7
Issue #15414: Clean and correct the os.path.join docs.

In particular, correctly describe the behavior of ntpath.join.

Based on a patch by Dave Sawyer.

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branch : 2.7
Issue #22604: Fix assertion error in debug mode when dividing a complex number by (nan+0j).

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branch : 2.7
extra : source : 0c8f45caf697cc423ca61e4fca67f1fef909a403