Fix unpack error messages and add unittest test_unpack.py#1917

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youknowone merged 3 commits into

RustPython:masterfrom

youknowone:test-unpack

Jun 3, 2020

Commits on Jun 1, 2020

TextIOWrapper optional args encoding and errors
youknowone
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Fix unpack error messages
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Lib/test/test_unpack.py from CPython 3.8.2

CPython dev
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